US Bridges

CR 500N over Mississinewa River

Good

Grant County, Indiana · 01.60 MI W of SR 15 · Structure no. 2700009

Built
1972
53 years old, rebuilt 2017
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
371 ft
3 main spans
Daily traffic
1,160
2021 count
Owner
County
County Highway Agency

About this bridge

CR 500N over Mississinewa River is a steel continuous stringer/multi-beam or girder carrying CR 500N over Mississinewa River in Grant County, Indiana. It was built in 1972 and reconstructed in 2017, so it is 53 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,160 vehicles a day, roughly 10% of them trucks, projected to reach 1,770 by 2041. The structure is 371 ft (113.1 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 500N
CrossesMississinewa River
Location01.60 MI W of SR 15
RouteCounty Highway 80
StateIndiana
Coordinates40.62547, -85.73188
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating61.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length371 ft (113.1 m)
Longest span138 ft (42 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,160 (2021)
Projected traffic1,770 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 500N over Mississinewa River built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2017.

What condition is CR 500N over Mississinewa River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does CR 500N over Mississinewa River carry?

About 1,160 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is CR 500N over Mississinewa River?

The structure is 371 ft (113.1 m) long with a longest span of 138 ft (42 m) and a deck 29 ft wide.

Who owns CR 500N over Mississinewa River?

It is owned by the County Highway Agency.