US Bridges

Ia 92 over W Branch Crooked Creek

Good

Washington County, Iowa · 2.6 Mi. W of W Jct. Ia 1 · Structure no. 000000000051801

Built
2011
14 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
217 ft
3 main spans
Daily traffic
2,430
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 92 over W Branch Crooked Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 92 over W Branch Crooked Creek in Washington County, Iowa. It was built in 2011, so it is 14 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 2,430 vehicles a day, roughly 14% of them trucks, projected to reach 2,430 by 2043. The structure is 217 ft (66.1 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIa 92
CrossesW Branch Crooked Creek
Location2.6 Mi. W of W Jct. Ia 1
RouteState Highway 92
StateIowa
Coordinates41.33669, -91.7673
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length217 ft (66.1 m)
Longest span77 ft (23.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,430 (2023)
Projected traffic2,430 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 92 over W Branch Crooked Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Ia 92 over W Branch 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 April 2023.

How much traffic does Ia 92 over W Branch Crooked Creek carry?

About 2,430 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Ia 92 over W Branch Crooked Creek?

The structure is 217 ft (66.1 m) long with a longest span of 77 ft (23.6 m) and a deck 47 ft wide.

Who owns Ia 92 over W Branch Crooked Creek?

It is owned by the State Highway Agency.