US Bridges

Liberty Spring Rd. over Adams Swamp

Good

Suffolk city, Virginia · 1.35 to 759 / 0.65 to 647 · Structure no. 000000000022152

Built
1970
55 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
274
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Liberty Spring Rd. over Adams Swamp is a concrete culvert carrying Liberty Spring Rd. over Adams Swamp in Suffolk city, Virginia. It was built in 1970, so it is 55 years old, older than the Virginia average of 50.7 years.

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

It carries about 274 vehicles a day, projected to reach 283 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLiberty Spring Rd.
CrossesAdams Swamp
Location1.35 to 759 / 0.65 to 647
RouteCity Street 673
CountySuffolk city
StateVirginia
Coordinates36.66147, -76.65524
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic274 (2022)
Projected traffic283 by 2042
Trucks0%
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

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Liberty Spring Rd. over Adams Swamp built?

It was built in 1970, making it 55 years old in 2025.

What condition is Liberty Spring Rd. over Adams Swamp 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 December 2023.

How much traffic does Liberty Spring Rd. over Adams Swamp carry?

About 274 vehicles per day (2022 count).

How long is Liberty Spring Rd. over Adams Swamp?

The structure is 24 ft (7.3 m) long with a longest span of 5 ft (1.5 m).

Who owns Liberty Spring Rd. over Adams Swamp?

It is owned by the City or Municipal Highway Agency.