US Bridges

Millsboro HWY/SR26 over Gum Branch

Fair

Sussex County, Delaware · Gumboro · Structure no. 3583 026

Built
2013
12 years old
Condition
Fair
inspected May 2021
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
5,657
2020 count
Owner
State
State Highway Agency

About this bridge

Millsboro HWY/SR26 over Gum Branch is a concrete culvert carrying Millsboro HWY/SR26 over Gum Branch in Sussex County, Delaware. It was built in 2013, so it is 12 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,657 vehicles a day, roughly 9% of them trucks, projected to reach 7,031 by 2042. The structure is 30 ft (9 m) long and 47 ft wide.

Location

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CarriesMillsboro HWY/SR26
CrossesGum Branch
LocationGumboro
RouteState Highway 26
CountySussex County
StateDelaware
Coordinates38.47198, -75.36925
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating73.5 US tons
Inventory rating56.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9 m)
Longest span26 ft (7.9 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,657 (2020)
Projected traffic7,031 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$197,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Millsboro HWY/SR26 over Gum Branch built?

It was built in 2013, making it 12 years old in 2025.

What condition is Millsboro HWY/SR26 over Gum Branch 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 May 2021.

How much traffic does Millsboro HWY/SR26 over Gum Branch carry?

About 5,657 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Millsboro HWY/SR26 over Gum Branch?

The structure is 30 ft (9 m) long with a longest span of 26 ft (7.9 m) and a deck 47 ft wide.

Who owns Millsboro HWY/SR26 over Gum Branch?

It is owned by the State Highway Agency.