US Bridges

US 138 Ml over Cedar Creek

Fair

Logan County, Colorado · 7.1 MI NE of JCT US 6 Ste · Structure no. B-24-AR

Built
1990
35 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
2,500
2020 count
Owner
State
State Highway Agency

About this bridge

US 138 Ml over Cedar Creek is a concrete culvert carrying US 138 Ml over Cedar Creek in Logan County, Colorado. It was built in 1990, so it is 35 years old, younger 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 2,500 vehicles a day, roughly 16% of them trucks, projected to reach 2,900 by 2040. The structure is 36 ft (11 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 138 Ml
CrossesCedar Creek
Location7.1 MI NE of JCT US 6 Ste
RouteU.S. Route 138A
Coordinates40.71534, -103.13708
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.2 US tons
Inventory rating50.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span16 ft (5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2020)
Projected traffic2,900 by 2040
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 US 138 Ml over Cedar Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is US 138 Ml over Cedar 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 138 Ml over Cedar Creek carry?

About 2,500 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is US 138 Ml over Cedar Creek?

The structure is 36 ft (11 m) long with a longest span of 16 ft (5 m) and a deck 43 ft wide.

Who owns US 138 Ml over Cedar Creek?

It is owned by the State Highway Agency.