US Bridges

Oak Street over Green Belt Floodway

Good

Prowers County, Colorado · Just W of 14th Street · Structure no. LMR-2 OAK ST.

Built
1975
50 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
809
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oak Street over Green Belt Floodway is a concrete culvert carrying Oak Street over Green Belt Floodway in Prowers County, Colorado. It was built in 1975, so it is 50 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 809 vehicles a day, roughly 2% of them trucks, projected to reach 963 by 2042. The structure is 34 ft (10.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOak Street
CrossesGreen Belt Floodway
LocationJust W of 14th Street
RouteCity Street 0
Coordinates38.08539, -102.63231
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.2 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic809 (2022)
Projected traffic963 by 2042
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Oak Street over Green Belt Floodway built?

It was built in 1975, making it 50 years old in 2025.

What condition is Oak Street over Green Belt Floodway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Oak Street over Green Belt Floodway carry?

About 809 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Oak Street over Green Belt Floodway?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns Oak Street over Green Belt Floodway?

It is owned by the City or Municipal Highway Agency.