US Bridges

SH 71 Ml over Beaver Creek

Fair

Washington County, Colorado · 9.6 MI No of JCT US 36 · Structure no. E-22-A

Built
1956
69 years old
Condition
Fair
inspected March 2025
Type
Tee Beam
Concrete
Length
216 ft
7 main spans
Daily traffic
880
2020 count
Owner
State
State Highway Agency

About this bridge

SH 71 Ml over Beaver Creek is a concrete tee beam carrying SH 71 Ml over Beaver Creek in Washington County, Colorado. It was built in 1956, so it is 69 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.

It carries about 880 vehicles a day, roughly 28% of them trucks, projected to reach 986 by 2040. The structure is 216 ft (65.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 71 Ml
CrossesBeaver Creek
Location9.6 MI No of JCT US 36
RouteState Highway 71D
Coordinates39.87873, -103.59288
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.8 US tons
Inventory rating41.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length216 ft (65.7 m)
Longest span29 ft (8.7 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2020)
Projected traffic986 by 2040
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 71 Ml over Beaver Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is SH 71 Ml 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 March 2025.

How much traffic does SH 71 Ml over Beaver Creek carry?

About 880 vehicles per day (2020 count), of which roughly 28% are trucks.

How long is SH 71 Ml over Beaver Creek?

The structure is 216 ft (65.7 m) long with a longest span of 29 ft (8.7 m) and a deck 32 ft wide.

Who owns SH 71 Ml over Beaver Creek?

It is owned by the State Highway Agency.