US Bridges

SR1635 over Middle Creek

Poor

Macon County, North Carolina · 25 FT.S.JCT.SR1684 · Structure no. 000000001130044

Built
1980
45 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
3 main spans
Daily traffic
570
2015 count
Owner
State
State Highway Agency

About this bridge

SR1635 over Middle Creek is a steel stringer/multi-beam or girder carrying SR1635 over Middle Creek in Macon County, North Carolina. It was built in 1980, so it is 45 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 570 vehicles a day, roughly 6% of them trucks, projected to reach 1,140 by 2040. The structure is 76 ft (23.1 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1635
CrossesMiddle Creek
Location25 FT.S.JCT.SR1684
RouteState Highway 1635
Coordinates35.05276, -83.37414
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.9 US tons
Inventory rating39.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length76 ft (23.1 m)
Longest span25 ft (7.6 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2015)
Projected traffic1,140 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SR1635 over Middle Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR1635 over Middle Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does SR1635 over Middle Creek carry?

About 570 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1635 over Middle Creek?

The structure is 76 ft (23.1 m) long with a longest span of 25 ft (7.6 m) and a deck 35 ft wide.

Who owns SR1635 over Middle Creek?

It is owned by the State Highway Agency.