US Bridges

Lower Springboro R over Little Twin Creek

Good

Warren County, Ohio · 0.46 MI W of SR 741 · Structure no. 8330514

Built
1997
28 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
1,960
2015 count
Owner
County
County Highway Agency

About this bridge

Lower Springboro R over Little Twin Creek is a concrete continuous slab carrying Lower Springboro R over Little Twin Creek in Warren County, Ohio. It was built in 1997, so it is 28 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 1,960 vehicles a day, roughly 5% of them trucks, projected to reach 2,720 by 2035. The structure is 66 ft (20.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLower Springboro R
CrossesLittle Twin Creek
Location0.46 MI W of SR 741
RouteCity Street 22
StateOhio
Coordinates39.5508, -84.24199
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,960 (2015)
Projected traffic2,720 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Lower Springboro R over Little Twin Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Lower Springboro R over Little 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 October 2024.

How much traffic does Lower Springboro R over Little Twin Creek carry?

About 1,960 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Lower Springboro R over Little Twin Creek?

The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns Lower Springboro R over Little Twin Creek?

It is owned by the County Highway Agency.