US Bridges

I-71 over Deer Creek

Fair

Madison County, Ohio · 0.69 MI N of SR 56 · Structure no. 4903390

Built
1964
61 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
3 main spans
Daily traffic
20,873
2015 count
Owner
State
State Highway Agency

About this bridge

I-71 over Deer Creek is a steel continuous stringer/multi-beam or girder carrying I-71 over Deer Creek in Madison County, Ohio. It was built in 1964, so it is 61 years old, older 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 6 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 20,873 vehicles a day, roughly 27% of them trucks, projected to reach 28,972 by 2035. The structure is 239 ft (72.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-71
CrossesDeer Creek
Location0.69 MI N of SR 56
RouteInterstate 71
StateOhio
Coordinates39.76319, -83.29228
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length239 ft (72.8 m)
Longest span90 ft (27.4 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,873 (2015)
Projected traffic28,972 by 2035
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-71 over Deer Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is I-71 over Deer Creek 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 September 2024.

How much traffic does I-71 over Deer Creek carry?

About 20,873 vehicles per day (2015 count), of which roughly 27% are trucks.

How long is I-71 over Deer Creek?

The structure is 239 ft (72.8 m) long with a longest span of 90 ft (27.4 m) and a deck 44 ft wide.

Who owns I-71 over Deer Creek?

It is owned by the State Highway Agency.