US Bridges

Washington ST over Drainage

Good

Butler County, Iowa · 091151100 · Structure no. 000000000010251

Built
2001
24 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
153 ft
3 main spans
Daily traffic
423
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington ST over Drainage is a concrete continuous slab carrying Washington ST over Drainage in Butler County, Iowa. It was built in 2001, so it is 24 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 423 vehicles a day, projected to reach 423 by 2044. The structure is 153 ft (46.6 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWashington ST
CrossesDrainage
Location091151100
RouteCity Street 0
StateIowa
Coordinates42.70771, -92.57933
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.8 US tons
Inventory rating46.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span59 ft (18 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic423 (2022)
Projected traffic423 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington ST over Drainage built?

It was built in 2001, making it 24 years old in 2025.

What condition is Washington ST over Drainage 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 March 2024.

How much traffic does Washington ST over Drainage carry?

About 423 vehicles per day (2022 count).

How long is Washington ST over Drainage?

The structure is 153 ft (46.6 m) long with a longest span of 59 ft (18 m) and a deck 38 ft wide.

Who owns Washington ST over Drainage?

It is owned by the City or Municipal Highway Agency.