US Bridges

Ia 3 over Maquoketa River

Fair

Fayette County, Iowa · 1.7 Mi. E of Jct. 187 · Structure no. 000000000024550

Built
1959
66 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
141 ft
3 main spans
Daily traffic
2,090
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over Maquoketa River is a prestressed concrete stringer/multi-beam or girder carrying Ia 3 over Maquoketa River in Fayette County, Iowa. It was built in 1959, so it is 66 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 2,090 vehicles a day, roughly 13% of them trucks, projected to reach 2,090 by 2042. The structure is 141 ft (43 m) long and 36 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesIa 3
CrossesMaquoketa River
Location1.7 Mi. E of Jct. 187
RouteState Highway 3
CountyFayette County
StateIowa
Coordinates42.6876, -91.61219
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.7 US tons
Inventory rating38.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length141 ft (43 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,090 (2022)
Projected traffic2,090 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 3 over Maquoketa River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Ia 3 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 May 2023.

How much traffic does Ia 3 over Maquoketa River carry?

About 2,090 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Ia 3 over Maquoketa River?

The structure is 141 ft (43 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns Ia 3 over Maquoketa River?

It is owned by the State Highway Agency.