US Bridges

SR1106 over Crooked Creek

Fair

Durham County, North Carolina · 1.2 MI S JCT NC54 · Structure no. 000000000630105

Built
1985
40 years old
Condition
Fair
inspected May 2023
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
2,400
2015 count
Owner
State
State Highway Agency

About this bridge

SR1106 over Crooked Creek is a steel culvert carrying SR1106 over Crooked Creek in Durham County, North Carolina. It was built in 1985, so it is 40 years old, older 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 5 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 2,400 vehicles a day, roughly 7% of them trucks, projected to reach 4,800 by 2040. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1106
CrossesCrooked Creek
Location1.2 MI S JCT NC54
RouteState Highway 1106
Coordinates35.89888, -78.9363
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2015)
Projected traffic4,800 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

OwnerState Highway Agency
Maintained byState 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 SR1106 over Crooked Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR1106 over Crooked Creek 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 2023.

How much traffic does SR1106 over Crooked Creek carry?

About 2,400 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR1106 over Crooked Creek?

The structure is 30 ft (9.1 m) long with a longest span of 11 ft (3.3 m).

Who owns SR1106 over Crooked Creek?

It is owned by the State Highway Agency.