US Bridges

SR 18 over E Br Black Riv Overflow

Good

Lorain County, Ohio · .76 Miles East of SR 301 · Structure no. 4701844

Built
2003
22 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
4,883
2024 count
Owner
State
State Highway Agency

About this bridge

SR 18 over E Br Black Riv Overflow is a concrete culvert carrying SR 18 over E Br Black Riv Overflow in Lorain County, Ohio. It was built in 2003, so it is 22 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,883 vehicles a day, roughly 14% of them trucks, projected to reach 6,778 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 18
CrossesE Br Black Riv Overflow
Location.76 Miles East of SR 301
RouteState Highway 18
StateOhio
Coordinates41.16848, -82.10693
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: 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 rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,883 (2024)
Projected traffic6,778 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 SR 18 over E Br Black Riv Overflow built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR 18 over E Br Black Riv Overflow 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 July 2023.

How much traffic does SR 18 over E Br Black Riv Overflow carry?

About 4,883 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SR 18 over E Br Black Riv Overflow?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m).

Who owns SR 18 over E Br Black Riv Overflow?

It is owned by the State Highway Agency.