US Bridges

SR1436 over Big Branch

Fair

Anson County, North Carolina · 0.1 Mi. S. Jct. SR1437 · Structure no. 000000000070181

Built
1979
46 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
2 main spans
Daily traffic
100
2021 count
Owner
State
State Highway Agency

About this bridge

SR1436 over Big Branch is a steel stringer/multi-beam or girder carrying SR1436 over Big Branch in Anson County, North Carolina. It was built in 1979, so it is 46 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, projected to reach 200 by 2040. The structure is 72 ft (21.9 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1436
CrossesBig Branch
Location0.1 Mi. S. Jct. SR1437
RouteState Highway 1436
Coordinates35.0387, -80.22304
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span35 ft (10.6 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic200 by 2040
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1436 over Big Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR1436 over Big Branch 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 April 2023.

How much traffic does SR1436 over Big Branch carry?

About 100 vehicles per day (2021 count).

How long is SR1436 over Big Branch?

The structure is 72 ft (21.9 m) long with a longest span of 35 ft (10.6 m) and a deck 29 ft wide.

Who owns SR1436 over Big Branch?

It is owned by the State Highway Agency.