US Bridges

Local - CR Crk over Crooked Creek

FairPosted for load

Cass County, Iowa · 077351204 · Structure no. 000000000100641

Built
1977
48 years old
Condition
Fair
inspected March 2024
Type
Truss - Thru
Steel
Length
94 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local - CR Crk over Crooked Creek is a steel truss - thru carrying Local - CR Crk over Crooked Creek in Cass County, Iowa. It was built in 1977, so it is 48 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 11 vehicles a day, roughly 9% of them trucks, projected to reach 11 by 2044. The structure is 94 ft (28.7 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLocal - CR Crk
CrossesCrooked Creek
Location077351204
RouteCounty Highway 0
CountyCass County
StateIowa
Coordinates41.47709, -94.82525
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating14 US tons
Inventory rating9.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length94 ft (28.7 m)
Longest span90 ft (27.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$950,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local - CR Crk over Crooked Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Local - CR Crk over Crooked 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 March 2024.

How much traffic does Local - CR Crk over Crooked Creek carry?

About 11 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Local - CR Crk over Crooked Creek?

The structure is 94 ft (28.7 m) long with a longest span of 90 ft (27.4 m) and a deck 20 ft wide.

Who owns Local - CR Crk over Crooked Creek?

It is owned by the County Highway Agency.