US Bridges

Ia 3 over Stream

Fair

Fayette County, Iowa · 7.1 Mi. W of Jct. Ia 187 · Structure no. 000000000024510

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
1,400
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over Stream is a concrete continuous culvert carrying Ia 3 over Stream 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 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 1,400 vehicles a day, roughly 16% of them trucks, projected to reach 1,400 by 2042. The structure is 29 ft (8.8 m) long and 49 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIa 3
CrossesStream
Location7.1 Mi. W of Jct. Ia 187
RouteState Highway 3
StateIowa
Coordinates42.68717, -91.7878
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width49 ft (14.9 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic1,400 by 2042
Trucks16%
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 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 Stream built?

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

What condition is Ia 3 over Stream 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 June 2023.

How much traffic does Ia 3 over Stream carry?

About 1,400 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Ia 3 over Stream?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m) and a deck 49 ft wide.

Who owns Ia 3 over Stream?

It is owned by the State Highway Agency.