US Bridges

Martin Luther King over Otterdam Swamp

Good

Surry County, Virginia · 7.74 Miles to Route 10 · Structure no. 000000000031000

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
115 ft
2 main spans
Daily traffic
1,014
2022 count
Owner
State
State Highway Agency

About this bridge

Martin Luther King over Otterdam Swamp is a prestressed concrete continuous stringer/multi-beam or girder carrying Martin Luther King over Otterdam Swamp in Surry County, Virginia. It was built in 2024, so it is 1 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,014 vehicles a day, roughly 1% of them trucks, projected to reach 1,131 by 2045. The structure is 115 ft (35.1 m) long and 45 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesMartin Luther King
CrossesOtterdam Swamp
Location7.74 Miles to Route 10
RouteState Highway 40
Coordinates37.08227, -77.05492
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.2 US tons
Inventory rating56.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length115 ft (35.1 m)
Longest span57 ft (17.3 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,014 (2022)
Projected traffic1,131 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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$551 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Martin Luther King over Otterdam Swamp built?

It was built in 2024, making it 1 years old in 2025.

What condition is Martin Luther King over Otterdam 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 September 2024.

How much traffic does Martin Luther King over Otterdam Swamp carry?

About 1,014 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Martin Luther King over Otterdam Swamp?

The structure is 115 ft (35.1 m) long with a longest span of 57 ft (17.3 m) and a deck 45 ft wide.

Who owns Martin Luther King over Otterdam Swamp?

It is owned by the State Highway Agency.