US Bridges

FM over Dd Jt 22

Fair

Palo Alto County, Iowa · 094341901 · Structure no. 000000000268981

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Dd Jt 22 is a concrete culvert carrying FM over Dd Jt 22 in Palo Alto County, Iowa. It was built in 1975, so it is 50 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 350 vehicles a day, roughly 30% of them trucks, projected to reach 350 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesFM
CrossesDd Jt 22
Location094341901
RouteCounty Highway 0
CountyPalo Alto County
StateIowa
Coordinates42.95338, -94.89822
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic350 by 2043
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Dd Jt 22 built?

It was built in 1975, making it 50 years old in 2025.

What condition is FM over Dd Jt 22 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does FM over Dd Jt 22 carry?

About 350 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is FM over Dd Jt 22?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns FM over Dd Jt 22?

It is owned by the County Highway Agency.