US Bridges

SR 39 over Prairie Creek

Fair

Boone County, Indiana · 00.51 N SR 32 · Structure no. 013300

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
65 ft
3 main spans
Daily traffic
15,483
2020 count
Owner
State
State Highway Agency

About this bridge

SR 39 over Prairie Creek is a concrete continuous slab carrying SR 39 over Prairie Creek in Boone County, Indiana. It was built in 1984, so it is 41 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 15,483 vehicles a day, roughly 12% of them trucks, projected to reach 15,544 by 2030. The structure is 65 ft (19.8 m) long and 62 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 39
CrossesPrairie Creek
Location00.51 N SR 32
RouteState Highway 39
CountyBoone County
StateIndiana
Coordinates40.05404, -86.47007
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating27.9 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span23 ft (7.1 m)
Deck width62 ft (19 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,483 (2020)
Projected traffic15,544 by 2030
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 SR 39 over Prairie Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR 39 over Prairie 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 SR 39 over Prairie Creek carry?

About 15,483 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SR 39 over Prairie Creek?

The structure is 65 ft (19.8 m) long with a longest span of 23 ft (7.1 m) and a deck 62 ft wide.

Who owns SR 39 over Prairie Creek?

It is owned by the State Highway Agency.