US Bridges

SR1100 over Cow Haul Swamp

Fair

Halifax County, North Carolina · 0.8 Mi. W. Jct. NC258 · Structure no. 000000000830054

Built
1995
30 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
102 ft
3 main spans
Daily traffic
200
2022 count
Owner
State
State Highway Agency

About this bridge

SR1100 over Cow Haul Swamp is a prestressed concrete slab carrying SR1100 over Cow Haul Swamp in Halifax County, North Carolina. It was built in 1995, so it is 30 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2040. The structure is 102 ft (31 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1100
CrossesCow Haul Swamp
Location0.8 Mi. W. Jct. NC258
RouteState Highway 1100
Coordinates36.07623, -77.49509
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: 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 rating91.9 US tons
Inventory rating54.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length102 ft (31 m)
Longest span39 ft (11.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1100 over Cow Haul Swamp built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR1100 over Cow Haul Swamp 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 June 2023.

How much traffic does SR1100 over Cow Haul Swamp carry?

About 200 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1100 over Cow Haul Swamp?

The structure is 102 ft (31 m) long with a longest span of 39 ft (11.8 m) and a deck 27 ft wide.

Who owns SR1100 over Cow Haul Swamp?

It is owned by the State Highway Agency.