US Bridges

CR 675N over Mud Creek

Fair

Boone County, Indiana · 00.01 E of CR 500 E · Structure no. 0600031

Built
1991
34 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
68 ft
3 main spans
Daily traffic
140
2017 count
Owner
County
County Highway Agency

About this bridge

CR 675N over Mud Creek is a prestressed concrete box beam or girders - multiple carrying CR 675N over Mud Creek in Boone County, Indiana. It was built in 1991, so it is 34 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 140 vehicles a day, roughly 3% of them trucks, projected to reach 210 by 2037. The structure is 68 ft (20.7 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCR 675N
CrossesMud Creek
Location00.01 E of CR 500 E
RouteCounty Highway 675
CountyBoone County
StateIndiana
Coordinates40.1373, -86.37333
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 alignment6: Equal to present minimum criteria
Operating rating73.3 US tons
Inventory rating43.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2017)
Projected traffic210 by 2037
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$488,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 675N over Mud Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is CR 675N over Mud 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 675N over Mud Creek carry?

About 140 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is CR 675N over Mud Creek?

The structure is 68 ft (20.7 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns CR 675N over Mud Creek?

It is owned by the County Highway Agency.