US Bridges

TH 148 S. Norwalk over Over HUR-020 -1170

Good

Huron County, Ohio · 1.79 MI W of US 250 · Structure no. 3901025

Built
1965
60 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
356 ft
4 main spans
Daily traffic
6,390
2018 count
Owner
State
State Highway Agency

About this bridge

TH 148 S. Norwalk over Over HUR-020 -1170 is a steel continuous stringer/multi-beam or girder carrying TH 148 S. Norwalk over Over HUR-020 -1170 in Huron 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 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 6,390 vehicles a day, roughly 47% of them trucks, projected to reach 15,611 by 2038. The structure is 356 ft (108.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTH 148 S. Norwalk
CrossesOver HUR-020 -1170
Location1.79 MI W of US 250
RouteCounty Highway 148
CountyHuron County
StateOhio
Coordinates41.22415, -82.63301
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length356 ft (108.5 m)
Longest span97 ft (29.6 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,390 (2018)
Projected traffic15,611 by 2038
Trucks47%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 TH 148 S. Norwalk over Over HUR-020 -1170 built?

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

What condition is TH 148 S. Norwalk over Over HUR-020 -1170 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 March 2024.

How much traffic does TH 148 S. Norwalk over Over HUR-020 -1170 carry?

About 6,390 vehicles per day (2018 count), of which roughly 47% are trucks.

How long is TH 148 S. Norwalk over Over HUR-020 -1170?

The structure is 356 ft (108.5 m) long with a longest span of 97 ft (29.6 m) and a deck 30 ft wide.

Who owns TH 148 S. Norwalk over Over HUR-020 -1170?

It is owned by the State Highway Agency.