US Bridges

County Road 37 over Cedar Creek

Good

Logan County, Colorado · 0.7 MI S of CO RD 46 · Structure no. LOG37-44.3-91-A

Built
1987
38 years old
Condition
Good
inspected January 2024
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
434
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 37 over Cedar Creek is a aluminum, wrought iron, or cast iron arch - deck carrying County Road 37 over Cedar Creek in Logan County, Colorado. It was built in 1987, so it is 38 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 434 vehicles a day, roughly 29% of them trucks, projected to reach 534 by 2042. The structure is 25 ft (7.7 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 37
CrossesCedar Creek
Location0.7 MI S of CO RD 46
RouteCounty Highway 0
Coordinates40.74908, -103.22919
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating68.3 US tons
Inventory rating40.9 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.7 m)
Longest span25 ft (7.7 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic434 (2023)
Projected traffic534 by 2042
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Cedar Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is County Road 37 over Cedar 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 County Road 37 over Cedar Creek carry?

About 434 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is County Road 37 over Cedar Creek?

The structure is 25 ft (7.7 m) long with a longest span of 25 ft (7.7 m) and a deck 39 ft wide.

Who owns County Road 37 over Cedar Creek?

It is owned by the County Highway Agency.