US Bridges

SR2157 over Tributary Rocky River

FairPosted for load

Chatham County, North Carolina · 0.8 Mi. S. Jct. SR2158 · Structure no. 000000000370400

Built
1958
67 years old, rebuilt 1985
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
36 ft
2 main spans
Daily traffic
110
2000 count
Owner
State
State Highway Agency

About this bridge

SR2157 over Tributary Rocky River is a wood or timber stringer/multi-beam or girder carrying SR2157 over Tributary Rocky River in Chatham County, North Carolina. It was built in 1958 and reconstructed in 1985, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 6% of them trucks, projected to reach 220 by 2040. The structure is 36 ft (10.9 m) long and 19 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR2157
CrossesTributary Rocky River
Location0.8 Mi. S. Jct. SR2158
RouteState Highway 2157
Coordinates35.65229, -79.21603
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating30 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span17 ft (5.1 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2000)
Projected traffic220 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR2157 over Tributary Rocky River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1985.

What condition is SR2157 over Tributary Rocky River 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 February 2024.

How much traffic does SR2157 over Tributary Rocky River carry?

About 110 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR2157 over Tributary Rocky River?

The structure is 36 ft (10.9 m) long with a longest span of 17 ft (5.1 m) and a deck 19 ft wide.

Who owns SR2157 over Tributary Rocky River?

It is owned by the State Highway Agency.