US Bridges

Railroad Av over Colorado River

Fair

Garfield County, Colorado · 0.2 MI N of JCT I70 · Structure no. F-05-R

Built
1976
49 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
445 ft
5 main spans
Daily traffic
16,434
2023 count
Owner
State
State Highway Agency

About this bridge

Railroad Av over Colorado River is a prestressed concrete continuous stringer/multi-beam or girder carrying Railroad Av over Colorado River in Garfield County, Colorado. It was built in 1976, so it is 49 years old, older 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 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 16,434 vehicles a day, roughly 6% of them trucks, projected to reach 20,871 by 2042. The structure is 445 ft (135.7 m) long and 82 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRailroad Av
CrossesColorado River
Location0.2 MI N of JCT I70
RouteCity Street 0
Coordinates39.52571, -107.77807
Functional classUrban Other Principal Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating39.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length445 ft (135.7 m)
Longest span90 ft (27.4 m)
Deck width82 ft (25 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,434 (2023)
Projected traffic20,871 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 Railroad Av over Colorado River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Railroad Av over Colorado 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 Railroad Av over Colorado River carry?

About 16,434 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Railroad Av over Colorado River?

The structure is 445 ft (135.7 m) long with a longest span of 90 ft (27.4 m) and a deck 82 ft wide.

Who owns Railroad Av over Colorado River?

It is owned by the State Highway Agency.