US Bridges

Is 83/IS 695 over Thornton Road

Fair

Baltimore County, Maryland · 1.09 MI S of Md 139 · Structure no. 100000030157010

Built
1954
71 years old, rebuilt 2013
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
3 main spans
Daily traffic
222,500
2012 count
Owner
State
State Highway Agency

About this bridge

Is 83/IS 695 over Thornton Road is a steel stringer/multi-beam or girder carrying Is 83/IS 695 over Thornton Road in Baltimore County, Maryland. It was built in 1954 and reconstructed in 2013, so it is 71 years old, older than the Maryland average of 52.6 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 222,500 vehicles a day, roughly 8% of them trucks, projected to reach 252,610 by 2029. The structure is 116 ft (35.4 m) long and 191 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesIs 83/IS 695
CrossesThornton Road
Location1.09 MI S of Md 139
RouteInterstate 695
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.5 US tons
Inventory rating46 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length116 ft (35.4 m)
Longest span49 ft (14.9 m)
Deck width191 ft (58.2 m)
Roadway width183 ft (55.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic222,500 (2012)
Projected traffic252,610 by 2029
Trucks8%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 83/IS 695 over Thornton Road built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2013.

What condition is Is 83/IS 695 over Thornton Road 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 August 2023.

How much traffic does Is 83/IS 695 over Thornton Road carry?

About 222,500 vehicles per day (2012 count), of which roughly 8% are trucks.

How long is Is 83/IS 695 over Thornton Road?

The structure is 116 ft (35.4 m) long with a longest span of 49 ft (14.9 m) and a deck 191 ft wide.

Who owns Is 83/IS 695 over Thornton Road?

It is owned by the State Highway Agency.