US Bridges

County Road 29 over Beaver Creek

FairPosted for load

Washington County, Colorado · 0.1 MI W of Co. Rd. H.25 · Structure no. WTN29-H.20

Built
1932
93 years old, rebuilt 1965
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
5 main spans
Daily traffic
55
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 29 over Beaver Creek is a steel stringer/multi-beam or girder carrying County Road 29 over Beaver Creek in Washington County, Colorado. It was built in 1932 and reconstructed in 1965, so it is 93 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 55 vehicles a day, roughly 24% of them trucks, projected to reach 69 by 2042. The structure is 87 ft (26.5 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road 29
CrossesBeaver Creek
Location0.1 MI W of Co. Rd. H.25
RouteCounty Highway 0
CountyWashington County
StateColorado
Coordinates39.98803, -103.56967
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.3 US tons
Inventory rating18.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span18 ft (5.5 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2023)
Projected traffic69 by 2042
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 29 over Beaver Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1965.

What condition is County Road 29 over Beaver 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 29 over Beaver Creek carry?

About 55 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is County Road 29 over Beaver Creek?

The structure is 87 ft (26.5 m) long with a longest span of 18 ft (5.5 m) and a deck 24 ft wide.

Who owns County Road 29 over Beaver Creek?

It is owned by the County Highway Agency.