US Bridges

S.W. Front ST over Mispillion River

FairPosted for load

Kent County, Delaware · Milford · Structure no. 2504 000

Built
1900
125 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
99
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

S.W. Front ST over Mispillion River is a concrete continuous slab carrying S.W. Front ST over Mispillion River in Kent County, Delaware. It was built in 1900, so it is 125 years old, older than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 99 vehicles a day, roughly 11% of them trucks, projected to reach 123 by 2042. The structure is 35 ft (10.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesS.W. Front ST
CrossesMispillion River
LocationMilford
RouteCity Street 0
CountyKent County
StateDelaware
Coordinates38.91281, -75.43029
Functional classUrban Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating12.1 US tons
Inventory rating9.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span15 ft (4.6 m)
Deck width42 ft (12.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2022)
Projected traffic123 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$239,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.W. Front ST over Mispillion River built?

It was built in 1900, making it 125 years old in 2025.

What condition is S.W. Front ST over Mispillion River 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 October 2023.

How much traffic does S.W. Front ST over Mispillion River carry?

About 99 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is S.W. Front ST over Mispillion River?

The structure is 35 ft (10.7 m) long with a longest span of 15 ft (4.6 m) and a deck 42 ft wide.

Who owns S.W. Front ST over Mispillion River?

It is owned by the City or Municipal Highway Agency.