US Bridges

Thompson Boat Cent over Rock Creek

Fair

District of Columbia, District of Columbia · 0.06 Miles from Virginia · Structure no. 3450035P0000000

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
10
2019 count
Owner
Federal
National Park Service

About this bridge

Thompson Boat Cent over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying Thompson Boat Cent over Rock Creek in District of Columbia, District of Columbia. It was built in 1960, so it is 65 years old, older than the District of Columbia average of 63.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 vehicles a day, projected to reach 11 by 2039. The structure is 93 ft (28.3 m) long and 20 ft wide.

CarriesThompson Boat Cent
CrossesRock Creek
Location0.06 Miles from Virginia
RouteFederal Lands Road 932
Coordinates38.90092, -77.05833
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length93 ft (28.3 m)
Longest span50 ft (15.2 m)
Deck width20 ft (6.2 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2019)
Projected traffic11 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$99,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thompson Boat Cent over Rock Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Thompson Boat Cent over Rock Creek 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 July 2023.

How much traffic does Thompson Boat Cent over Rock Creek carry?

About 10 vehicles per day (2019 count).

How long is Thompson Boat Cent over Rock Creek?

The structure is 93 ft (28.3 m) long with a longest span of 50 ft (15.2 m) and a deck 20 ft wide.

Who owns Thompson Boat Cent over Rock Creek?

It is owned by the National Park Service.