US Bridges

Keo Lane over Upper Twin Creek

Good

Ross County, Ohio · .01 MI S of Upper Twin RD · Structure no. 7139810

Built
1999
26 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
155
2018 count
Owner
County
County Highway Agency

About this bridge

Keo Lane over Upper Twin Creek is a prestressed concrete box beam or girders - multiple carrying Keo Lane over Upper Twin Creek in Ross County, Ohio. It was built in 1999, so it is 26 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 7 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 2038. The structure is 69 ft (21 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKeo Lane
CrossesUpper Twin Creek
Location.01 MI S of Upper Twin RD
RouteCounty Highway T0148
StateOhio
Coordinates39.28293, -83.20156
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length69 ft (21 m)
Longest span65 ft (19.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2018)
Projected traffic215 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Keo Lane over Upper Twin Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Keo Lane over Upper Twin 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 March 2024.

How much traffic does Keo Lane over Upper Twin Creek carry?

About 155 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Keo Lane over Upper Twin Creek?

The structure is 69 ft (21 m) long with a longest span of 65 ft (19.8 m) and a deck 24 ft wide.

Who owns Keo Lane over Upper Twin Creek?

It is owned by the County Highway Agency.