US Bridges

SR1608 over Big Creek

FairPosted for load

Macon County, North Carolina · 2.65 MI.S.JCT.SR1603 · Structure no. 000000001130033

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
100
2022 count
Owner
State
State Highway Agency

About this bridge

SR1608 over Big Creek is a steel stringer/multi-beam or girder carrying SR1608 over Big Creek in Macon County, North Carolina. It was built in 1976, so it is 49 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2040. The structure is 41 ft (12.4 m) long and 20 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1608
CrossesBig Creek
Location2.65 MI.S.JCT.SR1603
RouteState Highway 1608
Coordinates35.00898, -83.15988
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating25.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span39 ft (11.8 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR1608 over Big Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is SR1608 over Big 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 September 2024.

How much traffic does SR1608 over Big Creek carry?

About 100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1608 over Big Creek?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (11.8 m) and a deck 20 ft wide.

Who owns SR1608 over Big Creek?

It is owned by the State Highway Agency.