US Bridges

Pennington Road over Thomas Run

Good

Harford County, Maryland · 0.2 Mile E of Thomas R RD · Structure no. 200000H-0035010

Built
1975
50 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
249
2019 count
Owner
County
County Highway Agency

About this bridge

Pennington Road over Thomas Run is a steel stringer/multi-beam or girder carrying Pennington Road over Thomas Run in Harford 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 249 vehicles a day, roughly 5% of them trucks, projected to reach 304 by 2039. The structure is 45 ft (13.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPennington Road
CrossesThomas Run
Location0.2 Mile E of Thomas R RD
RouteCounty Highway 213
CountyHarford County
StateMaryland
Coordinates39.5801, -76.30151
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating63.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span41 ft (12.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic249 (2019)
Projected traffic304 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Pennington Road over Thomas Run built?

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

What condition is Pennington Road over Thomas Run 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 October 2023.

How much traffic does Pennington Road over Thomas Run carry?

About 249 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Pennington Road over Thomas Run?

The structure is 45 ft (13.7 m) long with a longest span of 41 ft (12.5 m) and a deck 33 ft wide.

Who owns Pennington Road over Thomas Run?

It is owned by the County Highway Agency.