US Bridges

S.Dakota Avenue over CSX Railroad

Good

District of Columbia, District of Columbia · S. Dakota Avenue over RR · Structure no. 0544

Built
1968
57 years old, rebuilt 2008
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
144 ft
3 main spans
Daily traffic
36,437
2023 count
Owner
State
State Highway Agency

About this bridge

S.Dakota Avenue over CSX Railroad is a steel stringer/multi-beam or girder carrying S.Dakota Avenue over CSX Railroad in District of Columbia, District of Columbia. It was built in 1968 and reconstructed in 2008, so it is 57 years old, younger than the District of Columbia average of 63.7 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 36,437 vehicles a day, roughly 3% of them trucks, projected to reach 36,437 by 2027. The structure is 144 ft (43.9 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS.Dakota Avenue
CrossesCSX Railroad
LocationS. Dakota Avenue over RR
RouteCity Street 0
CountyDistrict of Columbia
StateDistrict of Columbia
Coordinates38.92684, -76.96911
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.8 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span140 ft (42.7 m)
Deck width82 ft (25.1 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,437 (2023)
Projected traffic36,437 by 2027
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.Dakota Avenue over CSX Railroad built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2008.

What condition is S.Dakota Avenue over CSX Railroad 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 January 2025.

How much traffic does S.Dakota Avenue over CSX Railroad carry?

About 36,437 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S.Dakota Avenue over CSX Railroad?

The structure is 144 ft (43.9 m) long with a longest span of 140 ft (42.7 m) and a deck 82 ft wide.

Who owns S.Dakota Avenue over CSX Railroad?

It is owned by the State Highway Agency.