US Bridges

County Road 36 over Hell Creek

Good

Lincoln County, Colorado · 1.1 Miles S of Road 3M · Structure no. LIN-36-3K.9A

Built
1999
26 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
100 ft
2 main spans
Daily traffic
8
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 36 over Hell Creek is a steel continuous stringer/multi-beam or girder carrying County Road 36 over Hell Creek in Lincoln County, Colorado. It was built in 1999, so it is 26 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 8 vehicles a day, projected to reach 10 by 2040. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 36
CrossesHell Creek
Location1.1 Miles S of Road 3M
RouteCounty Highway 0
Coordinates39.33114, -103.39805
Functional classRural Local

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.9 US tons
Inventory rating51 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length100 ft (30.5 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (2020)
Projected traffic10 by 2040
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 36 over Hell Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is County Road 36 over Hell 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 May 2023.

How much traffic does County Road 36 over Hell Creek carry?

About 8 vehicles per day (2020 count).

How long is County Road 36 over Hell Creek?

The structure is 100 ft (30.5 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns County Road 36 over Hell Creek?

It is owned by the County Highway Agency.