US Bridges

5th Street over Yampa River

Good

Routt County, Colorado · 20 Ft S of Yampa Street · Structure no. 1250.07A

Built
1989
36 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
99 ft
1 main span
Daily traffic
4,967
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

5th Street over Yampa River is a prestressed concrete box beam or girders - single or spread carrying 5th Street over Yampa River in Routt County, Colorado. It was built in 1989, so it is 36 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,967 vehicles a day, roughly 17% of them trucks, projected to reach 5,911 by 2042. The structure is 99 ft (30.3 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries5th Street
CrossesYampa River
Location20 Ft S of Yampa Street
RouteCity Street 0
Coordinates40.48307, -106.83247
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating49.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length99 ft (30.3 m)
Longest span95 ft (29.1 m)
Deck width50 ft (15.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,967 (2023)
Projected traffic5,911 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 5th Street over Yampa River built?

It was built in 1989, making it 36 years old in 2025.

What condition is 5th Street over Yampa River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does 5th Street over Yampa River carry?

About 4,967 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is 5th Street over Yampa River?

The structure is 99 ft (30.3 m) long with a longest span of 95 ft (29.1 m) and a deck 50 ft wide.

Who owns 5th Street over Yampa River?

It is owned by the City or Municipal Highway Agency.