US Bridges

W. Markham Ave. over S.Ellerbee Crk.Tributar

Fair

Durham County, North Carolina · 0.1MI.E.JCT.N.DUKE Street · Structure no. 000000000630584

Built
2011
14 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
8,900
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

W. Markham Ave. over S.Ellerbee Crk.Tributar is a concrete continuous culvert carrying W. Markham Ave. over S.Ellerbee Crk.Tributar in Durham County, North Carolina. It was built in 2011, so it is 14 years old, younger than the North Carolina average of 38.7 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 8,900 vehicles a day, roughly 7% of them trucks, projected to reach 17,800 by 2040. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesW. Markham Ave.
CrossesS.Ellerbee Crk.Tributar
Location0.1MI.E.JCT.N.DUKE Street
RouteCity Street 0
Coordinates36.00989, -78.90275
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.3 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 traffic8,900 (2021)
Projected traffic17,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W. Markham Ave. over S.Ellerbee Crk.Tributar built?

It was built in 2011, making it 14 years old in 2025.

What condition is W. Markham Ave. over S.Ellerbee Crk.Tributar 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 January 2024.

How much traffic does W. Markham Ave. over S.Ellerbee Crk.Tributar carry?

About 8,900 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is W. Markham Ave. over S.Ellerbee Crk.Tributar?

The structure is 34 ft (10.3 m) long with a longest span of 9 ft (2.7 m).

Who owns W. Markham Ave. over S.Ellerbee Crk.Tributar?

It is owned by the City or Municipal Highway Agency.