US Bridges

CR 850 West over Dunk Creek

FairPosted for load

Clinton County, Indiana · 0.40 N of CR 700 N · Structure no. 1200033

Built
1936
89 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
423
2021 count
Owner
County
County Highway Agency

About this bridge

CR 850 West over Dunk Creek is a concrete slab carrying CR 850 West over Dunk Creek in Clinton County, Indiana. It was built in 1936, so it is 89 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 423 vehicles a day, roughly 4% of them trucks, projected to reach 423 by 2041. The structure is 23 ft (7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 850 West
CrossesDunk Creek
Location0.40 N of CR 700 N
RouteCounty Highway 123
CountyClinton County
StateIndiana
Coordinates40.39518, -86.66599
Functional classRural Major 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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.1 US tons
Inventory rating28.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic423 (2021)
Projected traffic423 by 2041
Trucks4%
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 850 West over Dunk Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is CR 850 West over Dunk 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 April 2024.

How much traffic does CR 850 West over Dunk Creek carry?

About 423 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is CR 850 West over Dunk Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns CR 850 West over Dunk Creek?

It is owned by the County Highway Agency.