US Bridges

Oak Street over Soda Creek

Fair

Routt County, Colorado · 100 Ft E of 11th Street · Structure no. 1250.04

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Frame
Steel
Length
24 ft
2 main spans
Daily traffic
3,918
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oak Street over Soda Creek is a steel frame carrying Oak Street over Soda Creek in Routt County, Colorado. It was built in 1970, so it is 55 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 3,918 vehicles a day, roughly 21% of them trucks, projected to reach 4,663 by 2043. The structure is 24 ft (7.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOak Street
CrossesSoda Creek
Location100 Ft E of 11th Street
RouteCity Street 0
Coordinates40.48874, -106.83691
Functional classUrban Minor 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeFrame
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span11 ft (3.4 m)
Deck width45 ft (13.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,918 (2023)
Projected traffic4,663 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Oak Street over Soda Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Oak Street over Soda Creek 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 Oak Street over Soda Creek carry?

About 3,918 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is Oak Street over Soda Creek?

The structure is 24 ft (7.2 m) long with a longest span of 11 ft (3.4 m) and a deck 45 ft wide.

Who owns Oak Street over Soda Creek?

It is owned by the City or Municipal Highway Agency.