US Bridges

Ia 93 over Coulee Creek

Fair

Fayette County, Iowa · 1.4 Mi. W of Jct. Ia 150 · Structure no. 000000000024631

Built
1989
36 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
3 main spans
Daily traffic
790
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 93 over Coulee Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 93 over Coulee Creek in Fayette County, Iowa. It was built in 1989, so it is 36 years old, younger 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 790 vehicles a day, roughly 9% of them trucks, projected to reach 790 by 2042. The structure is 143 ft (43.6 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIa 93
CrossesCoulee Creek
Location1.4 Mi. W of Jct. Ia 150
RouteState Highway 93
CountyFayette County
StateIowa
Coordinates42.84557, -91.83603
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86 US tons
Inventory rating51.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span57 ft (17.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic790 (2022)
Projected traffic790 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 93 over Coulee Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ia 93 over Coulee Creek 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 March 2023.

How much traffic does Ia 93 over Coulee Creek carry?

About 790 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Ia 93 over Coulee Creek?

The structure is 143 ft (43.6 m) long with a longest span of 57 ft (17.4 m) and a deck 39 ft wide.

Who owns Ia 93 over Coulee Creek?

It is owned by the State Highway Agency.