US Bridges

US 40 Ml over Eureka Creek

Fair

Cheyenne County, Colorado · 5.6 MI NE of JCT US 87 S · Structure no. I-26-C

Built
1968
57 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
82 ft
3 main spans
Daily traffic
1,200
2020 count
Owner
State
State Highway Agency

About this bridge

US 40 Ml over Eureka Creek is a concrete tee beam carrying US 40 Ml over Eureka Creek in Cheyenne County, Colorado. It was built in 1968, so it is 57 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 1,200 vehicles a day, roughly 24% of them trucks, projected to reach 1,548 by 2040. The structure is 82 ft (24.9 m) long and 38 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS 40 Ml
CrossesEureka Creek
Location5.6 MI NE of JCT US 87 S
RouteU.S. Route 40H
Coordinates38.78862, -102.68176
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.7 US tons
Inventory rating44.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length82 ft (24.9 m)
Longest span26 ft (7.9 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2020)
Projected traffic1,548 by 2040
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Eureka Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is US 40 Ml over Eureka 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 February 2025.

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

About 1,200 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is US 40 Ml over Eureka Creek?

The structure is 82 ft (24.9 m) long with a longest span of 26 ft (7.9 m) and a deck 38 ft wide.

Who owns US 40 Ml over Eureka Creek?

It is owned by the State Highway Agency.