US Bridges

General Mahone HWY over Coppahaunk Swamp

Fair

Sussex County, Virginia · 4.25 MI FR Wcl Wakefield · Structure no. 000000000018288

Built
1931
94 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
10,773
2022 count
Owner
State
State Highway Agency

About this bridge

General Mahone HWY over Coppahaunk Swamp is a concrete tee beam carrying General Mahone HWY over Coppahaunk Swamp in Sussex County, Virginia. It was built in 1931, so it is 94 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 10,773 vehicles a day, projected to reach 13,740 by 2042. The structure is 28 ft (8.5 m) long and 60 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesGeneral Mahone HWY
CrossesCoppahaunk Swamp
Location4.25 MI FR Wcl Wakefield
RouteU.S. Route 460
CountySussex County
StateVirginia
Coordinates37.01084, -77.05482
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width60 ft (18.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,773 (2022)
Projected traffic13,740 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$179 million
NavigationNo navigation control on waterway

Frequently asked questions

When was General Mahone HWY over Coppahaunk Swamp built?

It was built in 1931, making it 94 years old in 2025.

What condition is General Mahone HWY over Coppahaunk Swamp 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 April 2024.

How much traffic does General Mahone HWY over Coppahaunk Swamp carry?

About 10,773 vehicles per day (2022 count).

How long is General Mahone HWY over Coppahaunk Swamp?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 60 ft wide.

Who owns General Mahone HWY over Coppahaunk Swamp?

It is owned by the State Highway Agency.