US Bridges

SR1947 over Maple Springs Branch

FairPosted for load

Union County, North Carolina · 0.6 Mi. E. Jct. SR1903 · Structure no. 000000001790090

Built
1956
69 years old, rebuilt 1989
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
310
2017 count
Owner
State
State Highway Agency

About this bridge

SR1947 over Maple Springs Branch is a steel stringer/multi-beam or girder carrying SR1947 over Maple Springs Branch in Union County, North Carolina. It was built in 1956 and reconstructed in 1989, so it is 69 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 310 vehicles a day, roughly 6% of them trucks, projected to reach 620 by 2040. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1947
CrossesMaple Springs Branch
Location0.6 Mi. E. Jct. SR1903
RouteState Highway 1947
Coordinates34.948, -80.39387
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2017)
Projected traffic620 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-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 SR1947 over Maple Springs Branch built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1989.

What condition is SR1947 over Maple Springs 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 September 2024.

How much traffic does SR1947 over Maple Springs Branch carry?

About 310 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR1947 over Maple Springs Branch?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns SR1947 over Maple Springs Branch?

It is owned by the State Highway Agency.