US Bridges

CO RD 4 Mile Lane over Hooper Lateral

Fair

Alamosa County, Colorado · .6 MI E of CR 102 · Structure no. 003000403.5012A

Built
2021
4 years old
Condition
Fair
inspected March 2025
Type
Culvert
Steel
Length
20 ft
3 main spans
Daily traffic
41
2022 count
Owner
County
County Highway Agency

About this bridge

CO RD 4 Mile Lane over Hooper Lateral is a steel culvert carrying CO RD 4 Mile Lane over Hooper Lateral in Alamosa County, Colorado. It was built in 2021, so it is 4 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 41 vehicles a day, projected to reach 49 by 2042. The structure is 20 ft (6.2 m) long and 51 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCO RD 4 Mile Lane
CrossesHooper Lateral
Location.6 MI E of CR 102
RouteCounty Highway 0
CountyAlamosa County
StateColorado
Coordinates37.63226, -105.97316
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length20 ft (6.2 m)
Longest span6 ft (1.7 m)
Deck width51 ft (15.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2022)
Projected traffic49 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CO RD 4 Mile Lane over Hooper Lateral built?

It was built in 2021, making it 4 years old in 2025.

What condition is CO RD 4 Mile Lane over Hooper Lateral 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 CO RD 4 Mile Lane over Hooper Lateral carry?

About 41 vehicles per day (2022 count).

How long is CO RD 4 Mile Lane over Hooper Lateral?

The structure is 20 ft (6.2 m) long with a longest span of 6 ft (1.7 m) and a deck 51 ft wide.

Who owns CO RD 4 Mile Lane over Hooper Lateral?

It is owned by the County Highway Agency.