US Bridges

Waltham Woods Road over Tributary to Gunpowder F

Good

Baltimore County, Maryland · 1.9MI E of Exit 30 I-695 · Structure no. 200000B-0531030

Built
1980
45 years old
Condition
Good
inspected March 2024
Type
Culvert
Steel
Length
28 ft
Daily traffic
9,207
2024 count
Owner
County
County Highway Agency

About this bridge

Waltham Woods Road over Tributary to Gunpowder F is a steel culvert carrying Waltham Woods Road over Tributary to Gunpowder F in Baltimore County, Maryland. It was built in 1980, so it is 45 years old, younger than the Maryland average of 52.6 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 9,207 vehicles a day, roughly 5% of them trucks, projected to reach 13,856 by 2044. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWaltham Woods Road
CrossesTributary to Gunpowder F
Location1.9MI E of Exit 30 I-695
Coordinates39.41072, -76.534
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,207 (2024)
Projected traffic13,856 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Waltham Woods Road over Tributary to Gunpowder F built?

It was built in 1980, making it 45 years old in 2025.

What condition is Waltham Woods Road over Tributary to Gunpowder F 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 March 2024.

How much traffic does Waltham Woods Road over Tributary to Gunpowder F carry?

About 9,207 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Waltham Woods Road over Tributary to Gunpowder F?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Waltham Woods Road over Tributary to Gunpowder F?

It is owned by the County Highway Agency.