US Bridges

SR 124 over Mississinewa River

Good

Miami County, Indiana · 03.10 E SR 19 · Structure no. 026100

Built
1980
45 years old, rebuilt 2018
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
374 ft
4 main spans
Daily traffic
1,432
2020 count
Owner
State
State Highway Agency

About this bridge

SR 124 over Mississinewa River is a steel continuous stringer/multi-beam or girder carrying SR 124 over Mississinewa River in Miami County, Indiana. It was built in 1980 and reconstructed in 2018, 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 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 1,432 vehicles a day, roughly 9% of them trucks, projected to reach 1,816 by 2029. The structure is 374 ft (113.9 m) long and 44 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR 124
CrossesMississinewa River
Location03.10 E SR 19
RouteState Highway 124
StateIndiana
Coordinates40.74933, -86.01217
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length374 ft (113.9 m)
Longest span104 ft (31.8 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,432 (2020)
Projected traffic1,816 by 2029
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 124 over Mississinewa River built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2018.

What condition is SR 124 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 July 2023.

How much traffic does SR 124 over Mississinewa River carry?

About 1,432 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SR 124 over Mississinewa River?

The structure is 374 ft (113.9 m) long with a longest span of 104 ft (31.8 m) and a deck 44 ft wide.

Who owns SR 124 over Mississinewa River?

It is owned by the State Highway Agency.