US Bridges

County Road U29 over Dry Creek

Fair

San Miguel County, Colorado · 1 MI S of SH 14 · Structure no. SMGU29-0.9-9A

Built
1991
34 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
3
2022 count
Owner
County
County Highway Agency

About this bridge

County Road U29 over Dry Creek is a concrete culvert carrying County Road U29 over Dry Creek in San Miguel 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 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 3 vehicles a day, projected to reach 3 by 2042. The structure is 21 ft (6.3 m) long and 88 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty Road U29
CrossesDry Creek
Location1 MI S of SH 14
RouteCounty Highway 0
CountySan Miguel County
StateColorado
Coordinates38.06592, -108.55786
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating98.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span21 ft (6.3 m)
Deck width88 ft (26.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3 (2022)
Projected traffic3 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 U29 over Dry Creek built?

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

What condition is County Road U29 over Dry 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 June 2024.

How much traffic does County Road U29 over Dry Creek carry?

About 3 vehicles per day (2022 count).

How long is County Road U29 over Dry Creek?

The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m) and a deck 88 ft wide.

Who owns County Road U29 over Dry Creek?

It is owned by the County Highway Agency.