US Bridges

SR1811 over Chunky Pipe Creek

Poor

Durham County, North Carolina · 0.6 MI S JCT SR1813 · Structure no. 000000000630079

Built
1980
45 years old
Condition
Poor
inspected June 2023
Type
Culvert
Steel
Length
46 ft
2 main spans
Daily traffic
1,900
2015 count
Owner
State
State Highway Agency

About this bridge

SR1811 over Chunky Pipe Creek is a steel culvert carrying SR1811 over Chunky Pipe Creek in Durham County, North Carolina. It was built in 1980, so it is 45 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,900 vehicles a day, roughly 6% of them trucks, projected to reach 3,800 by 2040. The structure is 46 ft (14 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1811
CrossesChunky Pipe Creek
Location0.6 MI S JCT SR1813
RouteState Highway 1811
Coordinates36.00456, -78.78754
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.9 US tons
Inventory rating75 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length46 ft (14 m)
Longest span18 ft (5.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2015)
Projected traffic3,800 by 2040
Trucks6%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1811 over Chunky Pipe Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR1811 over Chunky Pipe Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does SR1811 over Chunky Pipe Creek carry?

About 1,900 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1811 over Chunky Pipe Creek?

The structure is 46 ft (14 m) long with a longest span of 18 ft (5.4 m).

Who owns SR1811 over Chunky Pipe Creek?

It is owned by the State Highway Agency.