US Bridges

SR503 over T445 (locust Street)

Fair

Preble County, Ohio · 2 MI S of Dar CO Line · Structure no. 6803938

Built
1966
59 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
174 ft
4 main spans
Daily traffic
1,074
2015 count
Owner
State
State Highway Agency

About this bridge

SR503 over T445 (locust Street) is a concrete continuous slab carrying SR503 over T445 (locust Street) in Preble County, Ohio. It was built in 1966, so it is 59 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 5 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 1,074 vehicles a day, roughly 11% of them trucks, projected to reach 1,491 by 2035. The structure is 174 ft (53 m) long and 38 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR503
CrossesT445 (locust Street)
Location2 MI S of Dar CO Line
RouteState Highway 503
StateOhio
Coordinates39.88879, -84.53994
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length174 ft (53 m)
Longest span45 ft (13.7 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,074 (2015)
Projected traffic1,491 by 2035
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed14.9 mi (24 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 SR503 over T445 (locust Street) built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR503 over T445 (locust Street) 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 February 2024.

How much traffic does SR503 over T445 (locust Street) carry?

About 1,074 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is SR503 over T445 (locust Street)?

The structure is 174 ft (53 m) long with a longest span of 45 ft (13.7 m) and a deck 38 ft wide.

Who owns SR503 over T445 (locust Street)?

It is owned by the State Highway Agency.