US Bridges

Township Road 31 over Br Rainbow Ck * Lan

Fair

Washington County, Ohio · .94 MI NE of JCT CO RD 4 · Structure no. 8436177

Built
1930
95 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
209
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 31 over Br Rainbow Ck * Lan is a concrete slab carrying Township Road 31 over Br Rainbow Ck * Lan in Washington County, Ohio. It was built in 1930, so it is 95 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 209 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2035. The structure is 45 ft (13.6 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTownship Road 31
CrossesBr Rainbow Ck * Lan
Location.94 MI NE of JCT CO RD 4
RouteCounty Highway T0031
CountyWashington County
StateOhio
Coordinates39.49675, -81.54878
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating52.9 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length45 ft (13.6 m)
Longest span40 ft (12.1 m)
Deck width24 ft (7.3 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2015)
Projected traffic290 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Township Road 31 over Br Rainbow Ck * Lan built?

It was built in 1930, making it 95 years old in 2025.

What condition is Township Road 31 over Br Rainbow Ck * Lan 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 May 2024.

How much traffic does Township Road 31 over Br Rainbow Ck * Lan carry?

About 209 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Township Road 31 over Br Rainbow Ck * Lan?

The structure is 45 ft (13.6 m) long with a longest span of 40 ft (12.1 m) and a deck 24 ft wide.

Who owns Township Road 31 over Br Rainbow Ck * Lan?

It is owned by the County Highway Agency.