US Bridges

South Franklin ST over RTE I-81

Fair

Montgomery County, Virginia · 0.45-S. Cburg; 0.70-RT11 · Structure no. 000000000022510

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
295 ft
5 main spans
Daily traffic
5,135
2022 count
Owner
State
State Highway Agency

About this bridge

South Franklin ST over RTE I-81 is a steel stringer/multi-beam or girder carrying South Franklin ST over RTE I-81 in Montgomery County, Virginia. It was built in 1964, so it is 61 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 6 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 5,135 vehicles a day, projected to reach 6,762 by 2042. The structure is 295 ft (90 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSouth Franklin ST
CrossesRTE I-81
Location0.45-S. Cburg; 0.70-RT11
RouteCity Street 0
CountyMontgomery County
StateVirginia
Coordinates37.1225, -80.40066
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating56 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length295 ft (90 m)
Longest span69 ft (21 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,135 (2022)
Projected traffic6,762 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$144.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was South Franklin ST over RTE I-81 built?

It was built in 1964, making it 61 years old in 2025.

What condition is South Franklin ST over RTE I-81 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 August 2024.

How much traffic does South Franklin ST over RTE I-81 carry?

About 5,135 vehicles per day (2022 count).

How long is South Franklin ST over RTE I-81?

The structure is 295 ft (90 m) long with a longest span of 69 ft (21 m) and a deck 40 ft wide.

Who owns South Franklin ST over RTE I-81?

It is owned by the State Highway Agency.