US Bridges

County Road 44 over Elk River

Fair

Routt County, Colorado · 3.8 MI W of CO RD 129 · Structure no. 107004403.80937

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
579
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 44 over Elk River is a prestressed concrete stringer/multi-beam or girder carrying County Road 44 over Elk River in Routt County, Colorado. It was built in 1985, so it is 40 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 579 vehicles a day, roughly 43% of them trucks, projected to reach 689 by 2042. The structure is 115 ft (35.2 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty Road 44
CrossesElk River
Location3.8 MI W of CO RD 129
RouteCounty Highway 0
Coordinates40.54578, -106.90893
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length115 ft (35.2 m)
Longest span110 ft (33.5 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic579 (2023)
Projected traffic689 by 2042
Trucks43%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 44 over Elk River built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 44 over Elk River 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 October 2024.

How much traffic does County Road 44 over Elk River carry?

About 579 vehicles per day (2023 count), of which roughly 43% are trucks.

How long is County Road 44 over Elk River?

The structure is 115 ft (35.2 m) long with a longest span of 110 ft (33.5 m) and a deck 33 ft wide.

Who owns County Road 44 over Elk River?

It is owned by the County Highway Agency.