US Bridges

US 40 Ml over Seven Mile Creek

Fair

Lincoln County, Colorado · 7.1 MI SE of Hugo · Structure no. H-23-AM

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
55 ft
5 main spans
Daily traffic
3,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 40 Ml over Seven Mile Creek is a steel culvert carrying US 40 Ml over Seven Mile Creek in Lincoln County, Colorado. It was built in 1978, so it is 47 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 3,000 vehicles a day, roughly 54% of them trucks, projected to reach 4,170 by 2040. The structure is 55 ft (16.8 m) long and 87 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 40 Ml
CrossesSeven Mile Creek
Location7.1 MI SE of Hugo
RouteU.S. Route 40H
Coordinates39.06727, -103.37071
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20 + Mod
Structure length55 ft (16.8 m)
Longest span10 ft (3 m)
Deck width87 ft (26.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2020)
Projected traffic4,170 by 2040
Trucks54%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Seven Mile Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is US 40 Ml over Seven Mile 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 2023.

How much traffic does US 40 Ml over Seven Mile Creek carry?

About 3,000 vehicles per day (2020 count), of which roughly 54% are trucks.

How long is US 40 Ml over Seven Mile Creek?

The structure is 55 ft (16.8 m) long with a longest span of 10 ft (3 m) and a deck 87 ft wide.

Who owns US 40 Ml over Seven Mile Creek?

It is owned by the State Highway Agency.