US Bridges

SR1749 over Isham Fork Creek

PoorPosted for load

Rutherford County, North Carolina · .3 MI.S.JCT.SR1740 · Structure no. 000000001610133

Built
1952
73 years old, rebuilt 1981
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
300
2016 count
Owner
State
State Highway Agency

About this bridge

SR1749 over Isham Fork Creek is a steel stringer/multi-beam or girder carrying SR1749 over Isham Fork Creek in Rutherford County, North Carolina. It was built in 1952 and reconstructed in 1981, so it is 73 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 4 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: posted for load restriction.

It carries about 300 vehicles a day, roughly 6% of them trucks, projected to reach 600 by 2040. The structure is 32 ft (9.7 m) long and 18 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1749
CrossesIsham Fork Creek
Location.3 MI.S.JCT.SR1740
RouteState Highway 1749
Coordinates35.476, -81.73674
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating24.9 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length32 ft (9.7 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2016)
Projected traffic600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1749 over Isham Fork Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1981.

What condition is SR1749 over Isham Fork 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 May 2023.

How much traffic does SR1749 over Isham Fork Creek carry?

About 300 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1749 over Isham Fork Creek?

The structure is 32 ft (9.7 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns SR1749 over Isham Fork Creek?

It is owned by the State Highway Agency.