US Bridges

Cimrhakl RD over Sacagawea Riv 114

Fair

Fergus County, Montana · 8M NE Roy · Structure no. L14104007+01001

Built
1978
47 years old, rebuilt 2018
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
47 ft
3 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Cimrhakl RD over Sacagawea Riv 114 is a wood or timber stringer/multi-beam or girder carrying Cimrhakl RD over Sacagawea Riv 114 in Fergus County, Montana. It was built in 1978 and reconstructed in 2018, so it is 47 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 47 ft (14.3 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCimrhakl RD
CrossesSacagawea Riv 114
Location8M NE Roy
RouteCounty Highway 14104
StateMontana
Coordinates47.42868, -108.84578
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating39 US tons

Structure

MaterialWood or Timber
DeckSteel plate
Main spans3
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span14 ft (4.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 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 closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cimrhakl RD over Sacagawea Riv 114 built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2018.

What condition is Cimrhakl RD over Sacagawea Riv 114 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Cimrhakl RD over Sacagawea Riv 114 carry?

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

How long is Cimrhakl RD over Sacagawea Riv 114?

The structure is 47 ft (14.3 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.

Who owns Cimrhakl RD over Sacagawea Riv 114?

It is owned by the County Highway Agency.