US Bridges

CR 350W over Prairie Creek

Fair

Boone County, Indiana · 00.20 N of CR 450 N · Structure no. 0600075

Built
1994
31 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
91 ft
3 main spans
Daily traffic
120
2017 count
Owner
County
County Highway Agency

About this bridge

CR 350W over Prairie Creek is a prestressed concrete box beam or girders - multiple carrying CR 350W over Prairie Creek in Boone County, Indiana. It was built in 1994, so it is 31 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 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 180 by 2037. The structure is 91 ft (27.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 350W
CrossesPrairie Creek
Location00.20 N of CR 450 N
RouteCounty Highway 350
CountyBoone County
StateIndiana
Coordinates40.10733, -86.53453
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length91 ft (27.6 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2017)
Projected traffic180 by 2037
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 350W over Prairie Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is CR 350W 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 September 2023.

How much traffic does CR 350W over Prairie Creek carry?

About 120 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is CR 350W over Prairie Creek?

The structure is 91 ft (27.6 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns CR 350W over Prairie Creek?

It is owned by the County Highway Agency.