US Bridges

CR 850N over Burnett Creek

Fair

Tippecanoe County, Indiana · 00.63 W of CR 100 W · Structure no. 7900079

Built
1973
52 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
154
2023 count
Owner
County
County Highway Agency

About this bridge

CR 850N over Burnett Creek is a prestressed concrete box beam or girders - multiple carrying CR 850N over Burnett Creek in Tippecanoe County, Indiana. It was built in 1973, so it is 52 years old, older 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 154 vehicles a day, roughly 7% of them trucks, projected to reach 233 by 2044. The structure is 56 ft (17 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 850N
CrossesBurnett Creek
Location00.63 W of CR 100 W
RouteCounty Highway 74
StateIndiana
Coordinates40.54071, -86.93687
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17 m)
Longest span55 ft (16.7 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic154 (2023)
Projected traffic233 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 850N over Burnett Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is CR 850N over Burnett 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 2024.

How much traffic does CR 850N over Burnett Creek carry?

About 154 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is CR 850N over Burnett Creek?

The structure is 56 ft (17 m) long with a longest span of 55 ft (16.7 m) and a deck 26 ft wide.

Who owns CR 850N over Burnett Creek?

It is owned by the County Highway Agency.