US Bridges

US 385 Ml over South Ladder Creek

Good

Cheyenne County, Colorado · 6 MI S of US 40 · Structure no. J-27-P

Built
1997
28 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
144 ft
1 main span
Daily traffic
730
2020 count
Owner
State
State Highway Agency

About this bridge

US 385 Ml over South Ladder Creek is a prestressed concrete stringer/multi-beam or girder carrying US 385 Ml over South Ladder Creek in Cheyenne County, Colorado. It was built in 1997, so it is 28 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 730 vehicles a day, roughly 26% of them trucks, projected to reach 986 by 2040. The structure is 144 ft (44 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 385 Ml
CrossesSouth Ladder Creek
Location6 MI S of US 40
RouteU.S. Route 385B
Coordinates38.73505, -102.33199
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating56.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length144 ft (44 m)
Longest span142 ft (43.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 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 South Ladder Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is US 385 Ml over South Ladder 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 January 2024.

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

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

How long is US 385 Ml over South Ladder Creek?

The structure is 144 ft (44 m) long with a longest span of 142 ft (43.2 m) and a deck 43 ft wide.

Who owns US 385 Ml over South Ladder Creek?

It is owned by the State Highway Agency.