US Bridges

Columbia Road over Branch of Big Muddy

Fair

Warren County, Ohio · 0.04 MI E of M 38 · Structure no. 8330506

Built
1962
63 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
64 ft
3 main spans
Daily traffic
5,359
2015 count
Owner
County
County Highway Agency

About this bridge

Columbia Road over Branch of Big Muddy is a concrete continuous slab carrying Columbia Road over Branch of Big Muddy in Warren County, Ohio. It was built in 1962, so it is 63 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 5,359 vehicles a day, roughly 14% of them trucks, projected to reach 7,438 by 2035. The structure is 64 ft (19.5 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesColumbia Road
CrossesBranch of Big Muddy
Location0.04 MI E of M 38
RouteCity Street 15
StateOhio
Coordinates39.37138, -84.25027
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,359 (2015)
Projected traffic7,438 by 2035
Trucks14%
Lanes on structure2
Traffic directionTwo-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 Columbia Road over Branch of Big Muddy built?

It was built in 1962, making it 63 years old in 2025.

What condition is Columbia Road over Branch of Big Muddy 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 November 2024.

How much traffic does Columbia Road over Branch of Big Muddy carry?

About 5,359 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is Columbia Road over Branch of Big Muddy?

The structure is 64 ft (19.5 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns Columbia Road over Branch of Big Muddy?

It is owned by the County Highway Agency.