US Bridges

SR1138 over Trib.Toisnot Swamp

FairPosted for load

Nash County, North Carolina · 0.5 Mi. W. of Jct. SR1952 · Structure no. 000000001270100

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
36 ft
2 main spans
Daily traffic
300
2022 count
Owner
State
State Highway Agency

About this bridge

SR1138 over Trib.Toisnot Swamp is a wood or timber stringer/multi-beam or girder carrying SR1138 over Trib.Toisnot Swamp in Nash County, North Carolina. It was built in 1957, so it is 68 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 6% of them trucks, projected to reach 600 by 2040. The structure is 36 ft (10.9 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR1138
CrossesTrib.Toisnot Swamp
Location0.5 Mi. W. of Jct. SR1952
RouteState Highway 1138
CountyNash County
StateNorth Carolina
Coordinates35.8457, -78.09548
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: 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 rating29 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span17 ft (5.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1138 over Trib.Toisnot Swamp built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR1138 over Trib.Toisnot 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 May 2024.

How much traffic does SR1138 over Trib.Toisnot Swamp carry?

About 300 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1138 over Trib.Toisnot Swamp?

The structure is 36 ft (10.9 m) long with a longest span of 17 ft (5.1 m) and a deck 27 ft wide.

Who owns SR1138 over Trib.Toisnot Swamp?

It is owned by the State Highway Agency.