US Bridges

SR29 over Wabash River

Fair

Mercer County, Ohio · 2.25 Mi. E. of Jct. SR49 · Structure no. 5400139

Built
1982
43 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
119 ft
2 main spans
Daily traffic
2,796
2015 count
Owner
State
State Highway Agency

About this bridge

SR29 over Wabash River is a prestressed concrete continuous box beam or girders - multiple carrying SR29 over Wabash River in Mercer County, Ohio. It was built in 1982, so it is 43 years old, younger than the Ohio average of 47.3 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 2,796 vehicles a day, roughly 33% of them trucks, projected to reach 3,881 by 2035. The structure is 119 ft (36.3 m) long and 44 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesSR29
CrossesWabash River
Location2.25 Mi. E. of Jct. SR49
RouteState Highway 29
StateOhio
Coordinates40.54552, -84.74167
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 12 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating32.2 US tons
Inventory rating20.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length119 ft (36.3 m)
Longest span57 ft (17.4 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,796 (2015)
Projected traffic3,881 by 2035
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 SR29 over Wabash River built?

It was built in 1982, making it 43 years old in 2025.

What condition is SR29 over Wabash River 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 December 2024.

How much traffic does SR29 over Wabash River carry?

About 2,796 vehicles per day (2015 count), of which roughly 33% are trucks.

How long is SR29 over Wabash River?

The structure is 119 ft (36.3 m) long with a longest span of 57 ft (17.4 m) and a deck 44 ft wide.

Who owns SR29 over Wabash River?

It is owned by the State Highway Agency.