US Bridges

Kenosha RD (cr 38) over Coal Creek

Fair

Boulder County, Colorado · 0.2 MI W of CO RD 901 · Structure no. BC-38-7.9-CO

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
2,305
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Kenosha RD (cr 38) over Coal Creek is a prestressed concrete tee beam carrying Kenosha RD (cr 38) over Coal Creek in Boulder County, Colorado. It was built in 1965, so it is 60 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 2,305 vehicles a day, roughly 11% of them trucks, projected to reach 2,766 by 2043. The structure is 31 ft (9.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKenosha RD (cr 38)
CrossesCoal Creek
Location0.2 MI W of CO RD 901
RouteCity Street 0
CountyBoulder County
StateColorado
Coordinates40.06944, -105.05903
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,305 (2023)
Projected traffic2,766 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Kenosha RD (cr 38) over Coal Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Kenosha RD (cr 38) over Coal 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 August 2024.

How much traffic does Kenosha RD (cr 38) over Coal Creek carry?

About 2,305 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Kenosha RD (cr 38) over Coal Creek?

The structure is 31 ft (9.6 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns Kenosha RD (cr 38) over Coal Creek?

It is owned by the Town or Township Highway Agency.