US Bridges

South River Road over Irish Creek

Fair

Rockbridge County, Virginia · 0.05 to 603 & 2.35 to 714 · Structure no. 000000000015399

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
64 ft
2 main spans
Daily traffic
477
2019 count
Owner
State
State Highway Agency

About this bridge

South River Road over Irish Creek is a concrete slab carrying South River Road over Irish Creek in Rockbridge County, Virginia. It was built in 1971, so it is 54 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 477 vehicles a day, projected to reach 539 by 2045. The structure is 64 ft (19.5 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesSouth River Road
CrossesIrish Creek
Location0.05 to 603 & 2.35 to 714
RouteCounty Highway 608
CountyRockbridge County
StateVirginia
Coordinates37.81205, -79.31523
Functional classRural Minor Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length64 ft (19.5 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2019)
Projected traffic539 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 South River Road over Irish Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is South River Road over Irish Creek 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 October 2023.

How much traffic does South River Road over Irish Creek carry?

About 477 vehicles per day (2019 count).

How long is South River Road over Irish Creek?

The structure is 64 ft (19.5 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns South River Road over Irish Creek?

It is owned by the State Highway Agency.