US Bridges

Serpentine Way over Paint Branch Tributary

Good

Montgomery County, Maryland · 0.7 Miles West of US 29 · Structure no. 200000M-0385030

Built
1975
50 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
21 ft
Daily traffic
3,476
2021 count
Owner
County
County Highway Agency

About this bridge

Serpentine Way over Paint Branch Tributary is a steel culvert carrying Serpentine Way over Paint Branch Tributary in Montgomery County, Maryland. It was built in 1975, so it is 50 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 3,476 vehicles a day, roughly 5% of them trucks, projected to reach 5,730 by 2041. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSerpentine Way
CrossesPaint Branch Tributary
Location0.7 Miles West of US 29
RouteCounty Highway 4926
Coordinates39.06955, -76.97049
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,476 (2021)
Projected traffic5,730 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Serpentine Way over Paint Branch Tributary built?

It was built in 1975, making it 50 years old in 2025.

What condition is Serpentine Way over Paint Branch Tributary 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 November 2023.

How much traffic does Serpentine Way over Paint Branch Tributary carry?

About 3,476 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Serpentine Way over Paint Branch Tributary?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns Serpentine Way over Paint Branch Tributary?

It is owned by the County Highway Agency.