US Bridges

SR 739 over Willow Swamp

Good

Marion County, Ohio · 04.16 Mi. S. of SR 203 · Structure no. 5103673

Built
1995
30 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
1,025
2015 count
Owner
State
State Highway Agency

About this bridge

SR 739 over Willow Swamp is a prestressed concrete box beam or girders - multiple carrying SR 739 over Willow Swamp in Marion County, Ohio. It was built in 1995, so it is 30 years old, younger 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 1,025 vehicles a day, roughly 10% of them trucks, projected to reach 1,423 by 2035. The structure is 31 ft (9.5 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 739
CrossesWillow Swamp
Location04.16 Mi. S. of SR 203
RouteState Highway 739
CountyMarion County
StateOhio
Coordinates40.51345, -83.25059
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.5 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,025 (2015)
Projected traffic1,423 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 739 over Willow Swamp built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 739 over Willow Swamp 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 December 2024.

How much traffic does SR 739 over Willow Swamp carry?

About 1,025 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is SR 739 over Willow Swamp?

The structure is 31 ft (9.5 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns SR 739 over Willow Swamp?

It is owned by the State Highway Agency.