US Bridges

Ia 3 over Rolling Prairie Trail

Fair

Franklin County, Iowa · 3.2 Mi. W of Jct. US 65 · Structure no. 000000000025150

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
233 ft
3 main spans
Daily traffic
2,920
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over Rolling Prairie Trail is a steel continuous stringer/multi-beam or girder carrying Ia 3 over Rolling Prairie Trail in Franklin County, Iowa. It was built in 1970, so it is 55 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 2,920 vehicles a day, roughly 11% of them trucks, projected to reach 2,920 by 2043. The structure is 233 ft (71 m) long and 48 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesIa 3
CrossesRolling Prairie Trail
Location3.2 Mi. W of Jct. US 65
RouteState Highway 3
CountyFranklin County
StateIowa
Coordinates42.74313, -93.26424
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.7 US tons
Inventory rating30.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length233 ft (71 m)
Longest span88 ft (26.8 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,920 (2023)
Projected traffic2,920 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed8.1 mi (13 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 3 over Rolling Prairie Trail built?

It was built in 1970, making it 55 years old in 2025.

What condition is Ia 3 over Rolling Prairie Trail 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 July 2023.

How much traffic does Ia 3 over Rolling Prairie Trail carry?

About 2,920 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ia 3 over Rolling Prairie Trail?

The structure is 233 ft (71 m) long with a longest span of 88 ft (26.8 m) and a deck 48 ft wide.

Who owns Ia 3 over Rolling Prairie Trail?

It is owned by the State Highway Agency.