US Bridges

255 Avenue over Cooper Creek

FairPosted for load

Fremont County, Iowa · 068420704 · Structure no. 000000000159460

Built
1945
80 years old
Condition
Fair
inspected May 2023
Type
Truss - Thru
Steel
Length
61 ft
1 main span
Daily traffic
31
2021 count
Owner
County
County Highway Agency

About this bridge

255 Avenue over Cooper Creek is a steel truss - thru carrying 255 Avenue over Cooper Creek in Fremont County, Iowa. It was built in 1945, so it is 80 years old, older than the Iowa average of 45.5 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 31 vehicles a day, projected to reach 31 by 2043. The structure is 61 ft (18.6 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries255 Avenue
CrossesCooper Creek
Location068420704
RouteCounty Highway 0
StateIowa
Coordinates40.72477, -95.70314
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.6 US tons
Inventory rating11.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width17 ft (5.3 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2021)
Projected traffic31 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 255 Avenue over Cooper Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is 255 Avenue over Cooper 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 May 2023.

How much traffic does 255 Avenue over Cooper Creek carry?

About 31 vehicles per day (2021 count).

How long is 255 Avenue over Cooper Creek?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 17 ft wide.

Who owns 255 Avenue over Cooper Creek?

It is owned by the County Highway Agency.