US Bridges

US 385 Ml over N Fk Ladder Creek

Good

Cheyenne County, Colorado · 1.4 MI S of US 40 · Structure no. I-27-T

Built
1960
65 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
54 ft
3 main spans
Daily traffic
730
2020 count
Owner
State
State Highway Agency

About this bridge

US 385 Ml over N Fk Ladder Creek is a concrete continuous slab carrying US 385 Ml over N Fk Ladder Creek in Cheyenne County, Colorado. It was built in 1960, so it is 65 years old, older 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 54 ft (16.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 385 Ml
CrossesN Fk Ladder Creek
Location1.4 MI S of US 40
RouteU.S. Route 385B
Coordinates38.80165, -102.3322
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.
Superstructure7 GoodSome minor problems.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length54 ft (16.5 m)
Longest span20 ft (6.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 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 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 385 Ml over N Fk Ladder Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is US 385 Ml over N Fk 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 N Fk Ladder Creek carry?

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

How long is US 385 Ml over N Fk Ladder Creek?

The structure is 54 ft (16.5 m) long with a longest span of 20 ft (6.2 m) and a deck 28 ft wide.

Who owns US 385 Ml over N Fk Ladder Creek?

It is owned by the State Highway Agency.