US Bridges

Local over East Fork Crooked Creek

Good

Washington County, Iowa · 074062901 · Structure no. 000000000335611

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
192 ft
3 main spans
Daily traffic
80
2022 count
Owner
County
County Highway Agency

About this bridge

Local over East Fork Crooked Creek is a prestressed concrete stringer/multi-beam or girder carrying Local over East Fork Crooked Creek in Washington County, Iowa. It was built in 2004, so it is 21 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 80 vehicles a day, projected to reach 80 by 2044. The structure is 192 ft (58.5 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLocal
CrossesEast Fork Crooked Creek
Location074062901
RouteCounty Highway 0
StateIowa
Coordinates41.19229, -91.57172
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating81.9 US tons
Inventory rating45.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span69 ft (21 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2022)
Projected traffic80 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over East Fork Crooked Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Local over East Fork 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 February 2024.

How much traffic does Local over East Fork Crooked Creek carry?

About 80 vehicles per day (2022 count).

How long is Local over East Fork Crooked Creek?

The structure is 192 ft (58.5 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns Local over East Fork Crooked Creek?

It is owned by the County Highway Agency.