US Bridges

County Road 37 over Surveyor Creek

Good

Washington County, Colorado · 0.8 Mi. E. of Co. Rd. Ff · Structure no. WTN37-FF.80-A

Built
1991
34 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
22
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 37 over Surveyor Creek is a steel stringer/multi-beam or girder carrying County Road 37 over Surveyor Creek in Washington County, Colorado. It was built in 1991, so it is 34 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 22 vehicles a day, roughly 38% of them trucks, projected to reach 27 by 2042. The structure is 82 ft (25 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 37
CrossesSurveyor Creek
Location0.8 Mi. E. of Co. Rd. Ff
RouteCounty Highway 0
Coordinates40.10444, -103.13964
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 inspectionOctober 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 rating46 US tons
Inventory rating27.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span77 ft (23.5 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2023)
Projected traffic27 by 2042
Trucks38%
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 Surveyor Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 37 over Surveyor 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 October 2023.

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

About 22 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is County Road 37 over Surveyor Creek?

The structure is 82 ft (25 m) long with a longest span of 77 ft (23.5 m) and a deck 28 ft wide.

Who owns County Road 37 over Surveyor Creek?

It is owned by the County Highway Agency.