US Bridges

Ia 3 over Eagle Creek

Fair

Wright County, Iowa · 5.3 Mi. E of E Jct. Ia 17 · Structure no. 000000000054360

Built
1932
93 years old, rebuilt 1987
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
3,450
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over Eagle Creek is a steel stringer/multi-beam or girder carrying Ia 3 over Eagle Creek in Wright County, Iowa. It was built in 1932 and reconstructed in 1987, so it is 93 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 3,450 vehicles a day, roughly 17% of them trucks, projected to reach 3,450 by 2044. The structure is 43 ft (13.1 m) long and 49 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIa 3
CrossesEagle Creek
Location5.3 Mi. E of E Jct. Ia 17
RouteState Highway 3
StateIowa
Coordinates42.73176, -93.8113
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.6 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width49 ft (14.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,450 (2022)
Projected traffic3,450 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 3 over Eagle Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1987.

What condition is Ia 3 over Eagle 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 February 2024.

How much traffic does Ia 3 over Eagle Creek carry?

About 3,450 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Ia 3 over Eagle Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 49 ft wide.

Who owns Ia 3 over Eagle Creek?

It is owned by the State Highway Agency.