US Bridges

D Ave. over Maquoketa River

Fair

Fayette County, Iowa · 092073404 · Structure no. 000000000150190

Built
1952
73 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

D Ave. over Maquoketa River is a concrete culvert carrying D Ave. over Maquoketa River in Fayette County, Iowa. It was built in 1952, so it is 73 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 6 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 49 vehicles a day, projected to reach 49 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesD Ave.
CrossesMaquoketa River
Location092073404
RouteCounty Highway 0
StateIowa
Coordinates42.73671, -91.66582
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was D Ave. over Maquoketa River built?

It was built in 1952, making it 73 years old in 2025.

What condition is D Ave. over Maquoketa River 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 October 2023.

How much traffic does D Ave. over Maquoketa River carry?

About 49 vehicles per day (2022 count).

How long is D Ave. over Maquoketa River?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns D Ave. over Maquoketa River?

It is owned by the County Highway Agency.