US Bridges

NB Airport Access over I70

Fair

Montgomery County, Ohio · 1.79MI.W. of Jct. IR-75 · Structure no. 5705843

Built
1982
43 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
192 ft
2 main spans
Daily traffic
1,186
2019 count
Owner
State
State Highway Agency

About this bridge

NB Airport Access over I70 is a steel continuous stringer/multi-beam or girder carrying NB Airport Access over I70 in Montgomery 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 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 1,186 vehicles a day, roughly 10% of them trucks, projected to reach 89,246 by 2039. The structure is 192 ft (58.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB Airport Access
CrossesI70
Location1.79MI.W. of Jct. IR-75
RouteInterstate 70
StateOhio
Coordinates39.86421, -84.22282
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length192 ft (58.5 m)
Longest span95 ft (29 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,186 (2019)
Projected traffic89,246 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NB Airport Access over I70 built?

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

What condition is NB Airport Access over I70 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 November 2024.

How much traffic does NB Airport Access over I70 carry?

About 1,186 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is NB Airport Access over I70?

The structure is 192 ft (58.5 m) long with a longest span of 95 ft (29 m) and a deck 32 ft wide.

Who owns NB Airport Access over I70?

It is owned by the State Highway Agency.