US Bridges

US 36 over Big Darby Creek

Good

Union County, Ohio · 0.09 MI E of State ST · Structure no. 8001685

Built
1954
71 years old, rebuilt 2006
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
199 ft
3 main spans
Daily traffic
4,977
2015 count
Owner
State
State Highway Agency

About this bridge

US 36 over Big Darby Creek is a steel continuous stringer/multi-beam or girder carrying US 36 over Big Darby Creek in Union County, Ohio. It was built in 1954 and reconstructed in 2006, so it is 71 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 4,977 vehicles a day, roughly 17% of them trucks, projected to reach 6,908 by 2038. The structure is 199 ft (60.8 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS 36
CrossesBig Darby Creek
Location0.09 MI E of State ST
RouteU.S. Route 36
StateOhio
Coordinates40.18005, -83.43393
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo 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 within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length199 ft (60.8 m)
Longest span75 ft (22.9 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,977 (2015)
Projected traffic6,908 by 2038
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

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 US 36 over Big Darby Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2006.

What condition is US 36 over Big Darby Creek 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 US 36 over Big Darby Creek carry?

About 4,977 vehicles per day (2015 count), of which roughly 17% are trucks.

How long is US 36 over Big Darby Creek?

The structure is 199 ft (60.8 m) long with a longest span of 75 ft (22.9 m) and a deck 40 ft wide.

Who owns US 36 over Big Darby Creek?

It is owned by the State Highway Agency.