US Bridges

CR25A over Miami River

Good

Miami County, Ohio · 0.18 S of CR199 · Structure no. 5531659

Built
1950
75 years old, rebuilt 1990
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
481 ft
6 main spans
Daily traffic
10,179
2015 count
Owner
County
County Highway Agency

About this bridge

CR25A over Miami River is a steel continuous stringer/multi-beam or girder carrying CR25A over Miami River in Miami County, Ohio. It was built in 1950 and reconstructed in 1990, so it is 75 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,179 vehicles a day, roughly 3% of them trucks, projected to reach 14,128 by 2038. The structure is 481 ft (146.6 m) long and 70 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR25A
CrossesMiami River
Location0.18 S of CR199
RouteCounty Highway 25
StateOhio
Coordinates40.15368, -84.23974
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length481 ft (146.6 m)
Longest span85 ft (25.9 m)
Deck width70 ft (21.3 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,179 (2015)
Projected traffic14,128 by 2038
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 CR25A over Miami River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1990.

What condition is CR25A over Miami 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 May 2023.

How much traffic does CR25A over Miami River carry?

About 10,179 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is CR25A over Miami River?

The structure is 481 ft (146.6 m) long with a longest span of 85 ft (25.9 m) and a deck 70 ft wide.

Who owns CR25A over Miami River?

It is owned by the County Highway Agency.