US Bridges

County Road 37 over Hell Creek

Fair

Lincoln County, Colorado · 1.6 Miles N of Road 3K · Structure no. LIN-37-3L.6A

Built
1997
28 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
18
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 37 over Hell Creek is a steel stringer/multi-beam or girder carrying County Road 37 over Hell Creek in Lincoln 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 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 18 vehicles a day, projected to reach 23 by 2040. The structure is 90 ft (27.4 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 37
CrossesHell Creek
Location1.6 Miles N of Road 3K
RouteCounty Highway 0
CountyLincoln County
StateColorado
Coordinates39.34066, -103.37921
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating78.6 US tons
Inventory rating47.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span85 ft (25.9 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2020)
Projected traffic23 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 37 over Hell Creek built?

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

What condition is County Road 37 over Hell 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 May 2023.

How much traffic does County Road 37 over Hell Creek carry?

About 18 vehicles per day (2020 count).

How long is County Road 37 over Hell Creek?

The structure is 90 ft (27.4 m) long with a longest span of 85 ft (25.9 m) and a deck 34 ft wide.

Who owns County Road 37 over Hell Creek?

It is owned by the County Highway Agency.