US Bridges

Old State Road over Todd Run

Fair

Brown County, Ohio · .15 Mi. E. of Jct. C74A · Structure no. 0831719

Built
1950
75 years old
Condition
Fair
inspected August 2024
Type
Truss - Thru
Steel
Length
50 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Old State Road over Todd Run is a steel truss - thru carrying Old State Road over Todd Run in Brown County, Ohio. It was built in 1950, so it is 75 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 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesOld State Road
CrossesTodd Run
Location.15 Mi. E. of Jct. C74A
RouteCounty Highway T0142
CountyBrown County
StateOhio
Coordinates39.04144, -84.00318
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating32.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length50 ft (15.2 m)
Longest span45 ft (13.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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 Old State Road over Todd Run built?

It was built in 1950, making it 75 years old in 2025.

What condition is Old State Road over Todd Run 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 August 2024.

How much traffic does Old State Road over Todd Run carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Old State Road over Todd Run?

The structure is 50 ft (15.2 m) long with a longest span of 45 ft (13.7 m) and a deck 16 ft wide.

Who owns Old State Road over Todd Run?

It is owned by the County Highway Agency.