US Bridges

Steamboat Blvd. over Fish Creek

Fair

Routt County, Colorado · 1.8 MI E of Mt Werner RD · Structure no. 1250.09

Built
1982
43 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
1,402
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Steamboat Blvd. over Fish Creek is a prestressed concrete tee beam carrying Steamboat Blvd. over Fish Creek in Routt County, Colorado. It was built in 1982, so it is 43 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 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 1,402 vehicles a day, roughly 15% of them trucks, projected to reach 1,668 by 2042. The structure is 60 ft (18.4 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSteamboat Blvd.
CrossesFish Creek
Location1.8 MI E of Mt Werner RD
RouteCity Street 0
Coordinates40.47468, -106.78901
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating53.6 US tons
Inventory rating25.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.4 m)
Longest span57 ft (17.3 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,402 (2023)
Projected traffic1,668 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Steamboat Blvd. over Fish Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Steamboat Blvd. over Fish 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 Steamboat Blvd. over Fish Creek carry?

About 1,402 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Steamboat Blvd. over Fish Creek?

The structure is 60 ft (18.4 m) long with a longest span of 57 ft (17.3 m) and a deck 39 ft wide.

Who owns Steamboat Blvd. over Fish Creek?

It is owned by the City or Municipal Highway Agency.