US Bridges

Glasgow Ave. over Muddy Run

Good

New Castle County, Delaware · North of Glasgow · Structure no. 1351 387A

Built
1926
99 years old, rebuilt 1998
Condition
Good
inspected April 2023
Type
Slab
Other
Length
32 ft
1 main span
Daily traffic
11,825
2022 count
Owner
State
State Highway Agency

About this bridge

Glasgow Ave. over Muddy Run is a other slab carrying Glasgow Ave. over Muddy Run in New Castle County, Delaware. It was built in 1926 and reconstructed in 1998, so it is 99 years old, older than the Delaware average of 47.3 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 11,825 vehicles a day, roughly 11% of them trucks, projected to reach 11,382 by 2042. The structure is 32 ft (9.8 m) long and 29 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesGlasgow Ave.
CrossesMuddy Run
LocationNorth of Glasgow
RouteCounty Highway 387A
CountyNew Castle County
StateDelaware
Coordinates39.6103, -75.74621
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialOther
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,825 (2022)
Projected traffic11,382 by 2042
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$38,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Glasgow Ave. over Muddy Run built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1998.

What condition is Glasgow Ave. over Muddy 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 April 2023.

How much traffic does Glasgow Ave. over Muddy Run carry?

About 11,825 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Glasgow Ave. over Muddy Run?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns Glasgow Ave. over Muddy Run?

It is owned by the State Highway Agency.