US Bridges

US 13 Nbl & Bypass over Rte. 639 Lake Cohoon Rd.

Fair

Suffolk city, Virginia · 0.62 MI.FR.INT.RTE.58 Bus · Structure no. 000000000022055

Built
1974
51 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
200 ft
3 main spans
Daily traffic
21,330
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

US 13 Nbl & Bypass over Rte. 639 Lake Cohoon Rd. is a steel stringer/multi-beam or girder carrying US 13 Nbl & Bypass over Rte. 639 Lake Cohoon Rd. in Suffolk city, Virginia. It was built in 1974, so it is 51 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 21,330 vehicles a day, roughly 1% of them trucks, projected to reach 31,143 by 2045. The structure is 200 ft (61 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 13 Nbl & Bypass
CrossesRte. 639 Lake Cohoon Rd.
Location0.62 MI.FR.INT.RTE.58 Bus
RouteU.S. Route 13
CountySuffolk city
StateVirginia
Coordinates36.73221, -76.62675
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length200 ft (61 m)
Longest span72 ft (21.9 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,330 (2022)
Projected traffic31,143 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 13 Nbl & Bypass over Rte. 639 Lake Cohoon Rd. built?

It was built in 1974, making it 51 years old in 2025.

What condition is US 13 Nbl & Bypass over Rte. 639 Lake Cohoon Rd. 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 February 2023.

How much traffic does US 13 Nbl & Bypass over Rte. 639 Lake Cohoon Rd. carry?

About 21,330 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is US 13 Nbl & Bypass over Rte. 639 Lake Cohoon Rd.?

The structure is 200 ft (61 m) long with a longest span of 72 ft (21.9 m) and a deck 44 ft wide.

Who owns US 13 Nbl & Bypass over Rte. 639 Lake Cohoon Rd.?

It is owned by the City or Municipal Highway Agency.