US Bridges

Wright Ave over Drainage Ditch

PoorPosted for load

Franklin County, Iowa · 090223102 · Structure no. 000000000156771

Built
1967
58 years old
Condition
Poor
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
21
2022 count
Owner
County
County Highway Agency

About this bridge

Wright Ave over Drainage Ditch is a prestressed concrete tee beam carrying Wright Ave over Drainage Ditch in Franklin County, Iowa. It was built in 1967, so it is 58 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 21 vehicles a day, projected to reach 21 by 2044. The structure is 39 ft (11.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWright Ave
CrossesDrainage Ditch
Location090223102
RouteCounty Highway 0
StateIowa
Coordinates42.56224, -93.49952
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating9.8 US tons
Inventory rating0 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2022)
Projected traffic21 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wright Ave over Drainage Ditch built?

It was built in 1967, making it 58 years old in 2025.

What condition is Wright Ave over Drainage Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Wright Ave over Drainage Ditch carry?

About 21 vehicles per day (2022 count).

How long is Wright Ave over Drainage Ditch?

The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns Wright Ave over Drainage Ditch?

It is owned by the County Highway Agency.