US Bridges

Spring Street over CSXT RR & WMATA Metro

PoorClosed to traffic

Montgomery County, Maryland · 0.3 MI South of Md 97 · Structure no. 200000M-0078010

Built
1968
57 years old, rebuilt 1973
Condition
Poor
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
213 ft
3 main spans
Daily traffic
8,204
2022 count
Owner
County
County Highway Agency

About this bridge

Spring Street over CSXT RR & WMATA Metro is a steel stringer/multi-beam or girder carrying Spring Street over CSXT RR & WMATA Metro in Montgomery County, Maryland. It was built in 1968 and reconstructed in 1973, so it is 57 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 8,204 vehicles a day, roughly 2% of them trucks, projected to reach 10,011 by 2042. The structure is 213 ft (64.9 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpring Street
CrossesCSXT RR & WMATA Metro
Location0.3 MI South of Md 97
RouteCounty Highway 598
Coordinates38.99689, -77.03579
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span89 ft (27.1 m)
Deck width67 ft (20.3 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,204 (2022)
Projected traffic10,011 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$770,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Spring Street over CSXT RR & WMATA Metro built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1973.

What condition is Spring Street over CSXT RR & WMATA Metro in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2022.

How much traffic does Spring Street over CSXT RR & WMATA Metro carry?

About 8,204 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Spring Street over CSXT RR & WMATA Metro?

The structure is 213 ft (64.9 m) long with a longest span of 89 ft (27.1 m) and a deck 67 ft wide.

Who owns Spring Street over CSXT RR & WMATA Metro?

It is owned by the County Highway Agency.