US Bridges

County Road Ff over Trib. of Surveyor Creek

Fair

Washington County, Colorado · 9.9 Mi. No. of CO RD 38 · Structure no. WTNFF-38.90

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
36
2023 count
Owner
County
County Highway Agency

About this bridge

County Road Ff over Trib. of Surveyor Creek is a steel stringer/multi-beam or girder carrying County Road Ff over Trib. of Surveyor Creek in Washington County, Colorado. It was built in 1973, so it is 52 years old, older 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 5 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 36 vehicles a day, roughly 47% of them trucks, projected to reach 45 by 2042. The structure is 31 ft (9.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road Ff
CrossesTrib. of Surveyor Creek
Location9.9 Mi. No. of CO RD 38
RouteCounty Highway 0
CountyWashington County
StateColorado
Coordinates40.13147, -103.15325
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.3 US tons
Inventory rating22.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length31 ft (9.3 m)
Longest span28 ft (8.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2023)
Projected traffic45 by 2042
Trucks47%
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 Ff over Trib. of Surveyor Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is County Road Ff over Trib. of Surveyor 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 October 2023.

How much traffic does County Road Ff over Trib. of Surveyor Creek carry?

About 36 vehicles per day (2023 count), of which roughly 47% are trucks.

How long is County Road Ff over Trib. of Surveyor Creek?

The structure is 31 ft (9.3 m) long with a longest span of 28 ft (8.6 m) and a deck 24 ft wide.

Who owns County Road Ff over Trib. of Surveyor Creek?

It is owned by the County Highway Agency.