US Bridges

SB Exit Ramp C over N&s RR

Fair

Allen County, Ohio · 3.8 Mi. South of Usr 30 · Structure no. 0202401

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
625 ft
9 main spans
Daily traffic
16,020
1972 count
Owner
State
State Highway Agency

About this bridge

SB Exit Ramp C over N&s RR is a steel continuous stringer/multi-beam or girder carrying SB Exit Ramp C over N&s RR in Allen County, Ohio. It was built in 1965, so it is 60 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 16,020 vehicles a day, projected to reach 22,236 by 1992. The structure is 625 ft (190.5 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSB Exit Ramp C
CrossesN&s RR
Location3.8 Mi. South of Usr 30
RouteInterstate 75
CountyAllen County
StateOhio
Coordinates40.78973, -84.0431
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.3 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length625 ft (190.5 m)
Longest span92 ft (28 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,020 (1972)
Projected traffic22,236 by 1992
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 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 SB Exit Ramp C over N&s RR built?

It was built in 1965, making it 60 years old in 2025.

What condition is SB Exit Ramp C over N&s RR 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 May 2024.

How much traffic does SB Exit Ramp C over N&s RR carry?

About 16,020 vehicles per day (1972 count).

How long is SB Exit Ramp C over N&s RR?

The structure is 625 ft (190.5 m) long with a longest span of 92 ft (28 m) and a deck 30 ft wide.

Who owns SB Exit Ramp C over N&s RR?

It is owned by the State Highway Agency.