US Bridges

County Road 224 over Coal Creek 010

PoorPosted for load

Daniels County, Montana · 16M N Peerless · Structure no. L10223004+00001

Built
1960
65 years old, rebuilt 2009
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
50 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

County Road 224 over Coal Creek 010 is a steel continuous stringer/multi-beam or girder carrying County Road 224 over Coal Creek 010 in Daniels County, Montana. It was built in 1960 and reconstructed in 2009, so it is 65 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 50 ft (15.2 m) long and 19 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesCounty Road 224
CrossesCoal Creek 010
Location16M N Peerless
RouteCounty Highway 10224
StateMontana
Coordinates48.96871, -105.785
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating5 US tons
Inventory rating5 US tons

Structure

MaterialSteel Continuous
DeckSteel plate
Main spans2
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$216,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 224 over Coal Creek 010 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2009.

What condition is County Road 224 over Coal Creek 010 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does County Road 224 over Coal Creek 010 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is County Road 224 over Coal Creek 010?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 19 ft wide.

Who owns County Road 224 over Coal Creek 010?

It is owned by the County Highway Agency.