US Bridges

US 385 Ml over Ladder Creek

Fair

Cheyenne County, Colorado · 1.5 MI S of US 40 · Structure no. I-27-V

Built
1993
32 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
85 ft
5 main spans
Daily traffic
730
2020 count
Owner
State
State Highway Agency

About this bridge

US 385 Ml over Ladder Creek is a concrete culvert carrying US 385 Ml over Ladder Creek in Cheyenne County, Colorado. It was built in 1993, so it is 32 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 730 vehicles a day, roughly 26% of them trucks, projected to reach 986 by 2040. The structure is 85 ft (25.8 m) long and 83 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 385 Ml
CrossesLadder Creek
Location1.5 MI S of US 40
RouteU.S. Route 385B
Coordinates38.76406, -102.33206
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating79.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length85 ft (25.8 m)
Longest span16 ft (4.9 m)
Deck width83 ft (25.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2020)
Projected traffic986 by 2040
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 385 Ml over Ladder Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 385 Ml over Ladder 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 January 2024.

How much traffic does US 385 Ml over Ladder Creek carry?

About 730 vehicles per day (2020 count), of which roughly 26% are trucks.

How long is US 385 Ml over Ladder Creek?

The structure is 85 ft (25.8 m) long with a longest span of 16 ft (4.9 m) and a deck 83 ft wide.

Who owns US 385 Ml over Ladder Creek?

It is owned by the State Highway Agency.