US Bridges

SR1138 over Dan River

PoorPosted for load

Rockingham County, North Carolina · 0.8 Mi. S. Jct. US311 · Structure no. 000000001570140

Built
1957
68 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
410 ft
10 main spans
Daily traffic
850
2022 count
Owner
State
State Highway Agency

About this bridge

SR1138 over Dan River is a steel stringer/multi-beam or girder carrying SR1138 over Dan River in Rockingham 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 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. Its operating status is: posted for load restriction.

It carries about 850 vehicles a day, roughly 6% of them trucks, projected to reach 1,700 by 2040. The structure is 410 ft (124.9 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR1138
CrossesDan River
Location0.8 Mi. S. Jct. US311
RouteState Highway 1138
Coordinates36.37456, -79.99243
Functional classRural Minor Collector

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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating38.9 US tons
Inventory rating22.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadH 15
Structure length410 ft (124.9 m)
Longest span49 ft (14.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2022)
Projected traffic1,700 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1138 over Dan River built?

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

What condition is SR1138 over Dan River 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 February 2025.

How much traffic does SR1138 over Dan River carry?

About 850 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1138 over Dan River?

The structure is 410 ft (124.9 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.

Who owns SR1138 over Dan River?

It is owned by the State Highway Agency.