US Bridges

College Avenue over Iroquois River

Fair

Jasper County, Indiana · 0.10 Miles N of Milroy Av · Structure no. 3700151

Built
1999
26 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
4,474
2022 count
Owner
County
County Highway Agency

About this bridge

College Avenue over Iroquois River is a concrete continuous slab carrying College Avenue over Iroquois River in Jasper County, Indiana. It was built in 1999, so it is 26 years old, younger than the Indiana average of 46.6 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 4,474 vehicles a day, roughly 3% of them trucks, projected to reach 6,376 by 2042. The structure is 88 ft (26.8 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCollege Avenue
CrossesIroquois River
Location0.10 Miles N of Milroy Av
RouteCity Street 0
StateIndiana
Coordinates40.93661, -87.15614
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating60.7 US tons
Inventory rating36.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span34 ft (10.5 m)
Deck width46 ft (14 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,474 (2022)
Projected traffic6,376 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was College Avenue over Iroquois River built?

It was built in 1999, making it 26 years old in 2025.

What condition is College Avenue over Iroquois 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 August 2024.

How much traffic does College Avenue over Iroquois River carry?

About 4,474 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is College Avenue over Iroquois River?

The structure is 88 ft (26.8 m) long with a longest span of 34 ft (10.5 m) and a deck 46 ft wide.

Who owns College Avenue over Iroquois River?

It is owned by the County Highway Agency.