US Bridges

Belaire Avenue over Henderson Drainage Ditch

Fair

Laramie County, Wyoming · CT050-4 · Structure no. FKR

Built
1978
47 years old, rebuilt 1995
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
197
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Belaire Avenue over Henderson Drainage Ditch is a concrete continuous culvert carrying Belaire Avenue over Henderson Drainage Ditch in Laramie County, Wyoming. It was built in 1978 and reconstructed in 1995, so it is 47 years old, younger than the Wyoming average of 48.4 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 197 vehicles a day, roughly 57% of them trucks, projected to reach 276 by 2043. The structure is 34 ft (10.4 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBelaire Avenue
CrossesHenderson Drainage Ditch
LocationCT050-4
RouteCity Street 50-4
StateWyoming
Coordinates41.13414, -104.77121
Functional classUrban 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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.6 US tons
Inventory rating37.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span12 ft (3.7 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic197 (2024)
Projected traffic276 by 2043
Trucks57%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$36,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Belaire Avenue over Henderson Drainage Ditch built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1995.

What condition is Belaire Avenue over Henderson Drainage Ditch 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 December 2023.

How much traffic does Belaire Avenue over Henderson Drainage Ditch carry?

About 197 vehicles per day (2024 count), of which roughly 57% are trucks.

How long is Belaire Avenue over Henderson Drainage Ditch?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.7 m) and a deck 50 ft wide.

Who owns Belaire Avenue over Henderson Drainage Ditch?

It is owned by the City or Municipal Highway Agency.