US Bridges

County Road 22 over Trib Midd Plum Creek

FairPosted for load

Prowers County, Colorado · 1 MI N of RD N · Structure no. PR22-21-12.9-85

Built
1935
90 years old, rebuilt 1965
Condition
Fair
inspected April 2023
Type
Girder and Floorbeam System
Steel
Length
58 ft
1 main span
Daily traffic
2
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 22 over Trib Midd Plum Creek is a steel girder and floorbeam system carrying County Road 22 over Trib Midd Plum Creek in Prowers County, Colorado. It was built in 1935 and reconstructed in 1965, so it is 90 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2 vehicles a day, projected to reach 3 by 2042. The structure is 58 ft (17.8 m) long and 24 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesCounty Road 22
CrossesTrib Midd Plum Creek
Location1 MI N of RD N
RouteCounty Highway 0
Coordinates37.8372, -102.35546
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.4 US tons
Inventory rating17.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length58 ft (17.8 m)
Longest span55 ft (16.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2022)
Projected traffic3 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 22 over Trib Midd Plum Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1965.

What condition is County Road 22 over Trib Midd Plum 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 April 2023.

How much traffic does County Road 22 over Trib Midd Plum Creek carry?

About 2 vehicles per day (2022 count).

How long is County Road 22 over Trib Midd Plum Creek?

The structure is 58 ft (17.8 m) long with a longest span of 55 ft (16.8 m) and a deck 24 ft wide.

Who owns County Road 22 over Trib Midd Plum Creek?

It is owned by the County Highway Agency.