US Bridges

US 40 Ml over Corral Creek

Good

Grand County, Colorado · 11.09 MI E of JCT SH 9 · Structure no. D-12-Z

Built
2002
23 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
2,300
2020 count
Owner
State
State Highway Agency

About this bridge

US 40 Ml over Corral Creek is a concrete culvert carrying US 40 Ml over Corral Creek in Grand County, Colorado. It was built in 2002, so it is 23 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 2,300 vehicles a day, roughly 8% of them trucks, projected to reach 2,622 by 2040. The structure is 22 ft (6.6 m) long and 80 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesUS 40 Ml
CrossesCorral Creek
Location11.09 MI E of JCT SH 9
RouteU.S. Route 40A
Coordinates40.06483, -106.19228
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating59.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.1 m)
Deck width80 ft (24.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2020)
Projected traffic2,622 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 40 Ml over Corral Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is US 40 Ml over Corral 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 December 2024.

How much traffic does US 40 Ml over Corral Creek carry?

About 2,300 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is US 40 Ml over Corral Creek?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.1 m) and a deck 80 ft wide.

Who owns US 40 Ml over Corral Creek?

It is owned by the State Highway Agency.