US Bridges

CR 875N over Salt Creek

Fair

Porter County, Indiana · 00.30 E JCT SR 149 · Structure no. 6400081

Built
1980
45 years old, rebuilt 1987
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
2,770
2018 count
Owner
County
County Highway Agency

About this bridge

CR 875N over Salt Creek is a prestressed concrete box beam or girders - multiple carrying CR 875N over Salt Creek in Porter County, Indiana. It was built in 1980 and reconstructed in 1987, so it is 45 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 2,770 vehicles a day, roughly 6% of them trucks, projected to reach 5,240 by 2038. The structure is 60 ft (18.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 875N
CrossesSalt Creek
Location00.30 E JCT SR 149
RouteCounty Highway 62
StateIndiana
Coordinates41.56104, -87.11824
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length60 ft (18.4 m)
Longest span58 ft (17.8 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,770 (2018)
Projected traffic5,240 by 2038
Trucks6%
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

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 875N over Salt Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 1987.

What condition is CR 875N over Salt 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 May 2024.

How much traffic does CR 875N over Salt Creek carry?

About 2,770 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is CR 875N over Salt Creek?

The structure is 60 ft (18.4 m) long with a longest span of 58 ft (17.8 m) and a deck 28 ft wide.

Who owns CR 875N over Salt Creek?

It is owned by the County Highway Agency.