US Bridges

Old US 10 over Work Creek 041

PoorPosted for load

Sweet Grass County, Montana · 4M W Reed Point · Structure no. L49125016+04001

Built
1932
93 years old, rebuilt 1992
Condition
Poor
inspected May 2024
Type
Tee Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
29
2023 count
Owner
State
State Highway Agency

About this bridge

Old US 10 over Work Creek 041 is a concrete tee beam carrying Old US 10 over Work Creek 041 in Sweet Grass County, Montana. It was built in 1932 and reconstructed in 1992, so it is 93 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 4 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 29 vehicles a day, roughly 3% of them trucks, projected to reach 31 by 2043. The structure is 68 ft (20.7 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesOld US 10
CrossesWork Creek 041
Location4M W Reed Point
RouteState Highway 81014
StateMontana
Coordinates45.70912, -109.6178
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10 US tons
Inventory rating10 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2023)
Projected traffic31 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old US 10 over Work Creek 041 built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1992.

What condition is Old US 10 over Work Creek 041 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 May 2024.

How much traffic does Old US 10 over Work Creek 041 carry?

About 29 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Old US 10 over Work Creek 041?

The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns Old US 10 over Work Creek 041?

It is owned by the State Highway Agency.