US Bridges

State Line Road over Little Blue Creek

Good

Mercer County, Ohio · .37 S of CR 800 N · Structure no. 5400007

Built
1998
27 years old
Condition
Good
inspected June 2020
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
75
2019 count
Owner
County
County Highway Agency

About this bridge

State Line Road over Little Blue Creek is a steel culvert carrying State Line Road over Little Blue Creek in Mercer County, Ohio. It was built in 1998, so it is 27 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 75 vehicles a day, roughly 4% of them trucks, projected to reach 130 by 2039. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Line Road
CrossesLittle Blue Creek
Location.37 S of CR 800 N
RouteCounty Highway T0001
StateOhio
Coordinates40.62493, -84.80222
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2020
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span22 ft (6.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2019)
Projected traffic130 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 State Line Road over Little Blue Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is State Line Road over Little Blue 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 June 2020.

How much traffic does State Line Road over Little Blue Creek carry?

About 75 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is State Line Road over Little Blue Creek?

The structure is 22 ft (6.8 m) long with a longest span of 22 ft (6.8 m).

Who owns State Line Road over Little Blue Creek?

It is owned by the County Highway Agency.