US Bridges

TR 78 over Nine Mile Creek

Good

Sandusky County, Ohio · .35 Mi. South of SR 20 · Structure no. 7248490

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
155
2015 count
Owner
County
County Highway Agency

About this bridge

TR 78 over Nine Mile Creek is a concrete tee beam carrying TR 78 over Nine Mile Creek in Sandusky County, Ohio. It was built in 1986, so it is 39 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 155 vehicles a day, roughly 8% of them trucks, projected to reach 215 by 2035. The structure is 34 ft (10.4 m) long and 18 ft wide.

CarriesTR 78
CrossesNine Mile Creek
Location.35 Mi. South of SR 20
RouteCounty Highway T0078
StateOhio
Coordinates41.40667, -83.265
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating28.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span28 ft (8.5 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2015)
Projected traffic215 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 TR 78 over Nine Mile Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is TR 78 over Nine Mile Creek 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 October 2024.

How much traffic does TR 78 over Nine Mile Creek carry?

About 155 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is TR 78 over Nine Mile Creek?

The structure is 34 ft (10.4 m) long with a longest span of 28 ft (8.5 m) and a deck 18 ft wide.

Who owns TR 78 over Nine Mile Creek?

It is owned by the County Highway Agency.