US Bridges

Coal Creek RD over Coal Creek 027

PoorClosed to traffic

Daniels County, Montana · 12M N Peerless · Structure no. L10224002+00001

Built
1950
75 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
58 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Coal Creek RD over Coal Creek 027 is a wood or timber stringer/multi-beam or girder carrying Coal Creek RD over Coal Creek 027 in Daniels County, Montana. It was built in 1950, so it is 75 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: closed to all traffic.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 58 ft (17.7 m) long and 25 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesCoal Creek RD
CrossesCoal Creek 027
Location12M N Peerless
RouteCounty Highway 10223
StateMontana
Coordinates48.95514, -105.82658
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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating7.1 US tons
Inventory rating4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length58 ft (17.7 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.6 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 closed14.3 mi (23 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$242,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Coal Creek RD over Coal Creek 027 built?

It was built in 1950, making it 75 years old in 2025.

What condition is Coal Creek RD over Coal Creek 027 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 Coal Creek RD over Coal Creek 027 carry?

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

How long is Coal Creek RD over Coal Creek 027?

The structure is 58 ft (17.7 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns Coal Creek RD over Coal Creek 027?

It is owned by the County Highway Agency.