US Bridges

SH 131 Ml over Alkali Creek

Good

Eagle County, Colorado · 2.5 MI N of Wolcott · Structure no. F-10-A

Built
1963
62 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,600
2020 count
Owner
State
State Highway Agency

About this bridge

SH 131 Ml over Alkali Creek is a concrete culvert carrying SH 131 Ml over Alkali Creek in Eagle County, Colorado. It was built in 1963, so it is 62 years old, older 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 1,600 vehicles a day, roughly 11% of them trucks, projected to reach 2,096 by 2040. The structure is 26 ft (7.9 m) long and 35 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesSH 131 Ml
CrossesAlkali Creek
Location2.5 MI N of Wolcott
RouteState Highway 131B
Coordinates39.72943, -106.67866
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width35 ft (10.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2020)
Projected traffic2,096 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemNo

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 SH 131 Ml over Alkali Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is SH 131 Ml over Alkali Creek 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 131 Ml over Alkali Creek carry?

About 1,600 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is SH 131 Ml over Alkali Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 35 ft wide.

Who owns SH 131 Ml over Alkali Creek?

It is owned by the State Highway Agency.