US Bridges

CO RD over Crooked Creek

Good

Webster County, Iowa · 087271800 · Structure no. 000000000341926

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
640
2022 count
Owner
County
County Highway Agency

About this bridge

CO RD over Crooked Creek is a prestressed concrete stringer/multi-beam or girder carrying CO RD over Crooked Creek in Webster County, Iowa. It was built in 2007, so it is 18 years old, younger than the Iowa average of 45.5 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 640 vehicles a day, roughly 5% of them trucks, projected to reach 640 by 2043. The structure is 113 ft (34.4 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCO RD
CrossesCrooked Creek
Location087271800
RouteCity Street 0
StateIowa
Coordinates42.35026, -94.04434
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span110 ft (33.5 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2022)
Projected traffic640 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD over Crooked Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is CO RD over Crooked Creek 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 November 2023.

How much traffic does CO RD over Crooked Creek carry?

About 640 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CO RD over Crooked Creek?

The structure is 113 ft (34.4 m) long with a longest span of 110 ft (33.5 m) and a deck 33 ft wide.

Who owns CO RD over Crooked Creek?

It is owned by the County Highway Agency.