US Bridges

SR1564 over Branch of Roberson Creek

Fair

Chatham County, North Carolina · 0.8 Mi. E. Jct. US64 · Structure no. 000000000370422

Built
1921
104 years old
Condition
Fair
inspected October 2024
Type
Girder and Floorbeam System
Concrete
Length
31 ft
1 main span
Daily traffic
100
2000 count
Owner
State
State Highway Agency

About this bridge

SR1564 over Branch of Roberson Creek is a concrete girder and floorbeam system carrying SR1564 over Branch of Roberson Creek in Chatham County, North Carolina. It was built in 1921, so it is 104 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.

It carries about 100 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2040. The structure is 31 ft (9.4 m) long and 21 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1564
CrossesBranch of Roberson Creek
Location0.8 Mi. E. Jct. US64
RouteState Highway 1564
Coordinates35.7271, -79.22234
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating22.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width21 ft (6.4 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2000)
Projected traffic200 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 SR1564 over Branch of Roberson Creek built?

It was built in 1921, making it 104 years old in 2025.

What condition is SR1564 over Branch of Roberson Creek 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 October 2024.

How much traffic does SR1564 over Branch of Roberson Creek carry?

About 100 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1564 over Branch of Roberson Creek?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 21 ft wide.

Who owns SR1564 over Branch of Roberson Creek?

It is owned by the State Highway Agency.