US Bridges

SH 13 Ml over Wildlife Crossing

Good

Moffat County, Colorado · 21.8 Miles North of Craig · Structure no. A-06-E

Built
2022
3 years old
Condition
Good
inspected July 2024
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
930
2019 count
Owner
State
State Highway Agency

About this bridge

SH 13 Ml over Wildlife Crossing is a concrete frame carrying SH 13 Ml over Wildlife Crossing in Moffat County, Colorado. It was built in 2022, so it is 3 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 930 vehicles a day, roughly 16% of them trucks, projected to reach 1,495 by 2039. The structure is 24 ft (7.2 m) long and 78 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesSH 13 Ml
CrossesWildlife Crossing
Location21.8 Miles North of Craig
RouteState Highway 13B
Coordinates40.77969, -107.55022
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating60.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length24 ft (7.2 m)
Longest span24 ft (7.2 m)
Deck width78 ft (23.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic930 (2019)
Projected traffic1,495 by 2039
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed17.4 mi (28 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 13 Ml over Wildlife Crossing built?

It was built in 2022, making it 3 years old in 2025.

What condition is SH 13 Ml over Wildlife Crossing 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 July 2024.

How much traffic does SH 13 Ml over Wildlife Crossing carry?

About 930 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is SH 13 Ml over Wildlife Crossing?

The structure is 24 ft (7.2 m) long with a longest span of 24 ft (7.2 m) and a deck 78 ft wide.

Who owns SH 13 Ml over Wildlife Crossing?

It is owned by the State Highway Agency.