US Bridges

Riggs Road over Little Deer Creek

Good

Mercer County, Pennsylvania · 1000-FT West of Rt 932 · Structure no. 000000000044255

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
233
2023 count
Owner
County
County Highway Agency

About this bridge

Riggs Road over Little Deer Creek is a prestressed concrete slab carrying Riggs Road over Little Deer Creek in Mercer County, Pennsylvania. It was built in 2007, so it is 18 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 233 vehicles a day, roughly 4% of them trucks, projected to reach 350 by 2039. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRiggs Road
CrossesLittle Deer Creek
Location1000-FT West of Rt 932
RouteCity Street 0
Coordinates41.13871, -80.51002
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic233 (2023)
Projected traffic350 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Riggs Road over Little Deer Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Riggs Road over Little Deer 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 November 2023.

How much traffic does Riggs Road over Little Deer Creek carry?

About 233 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Riggs Road over Little Deer Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns Riggs Road over Little Deer Creek?

It is owned by the County Highway Agency.