US Bridges

SR1149 over Prather Creek

PoorPosted for load

Alleghany County, North Carolina · .2 MI.S.JCT.SR1161 · Structure no. 000000000050186

Built
1967
58 years old
Condition
Poor
inspected July 2024
Type
Channel Beam
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
90
2015 count
Owner
State
State Highway Agency

About this bridge

SR1149 over Prather Creek is a prestressed concrete channel beam carrying SR1149 over Prather Creek in Alleghany County, North Carolina. It was built in 1967, so it is 58 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: posted for load restriction.

It carries about 90 vehicles a day, roughly 6% of them trucks, projected to reach 180 by 2040. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1149
CrossesPrather Creek
Location.2 MI.S.JCT.SR1161
RouteState Highway 1149
Coordinates36.47105, -81.2518
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
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 alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating17 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 10
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2015)
Projected traffic180 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 SR1149 over Prather Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR1149 over Prather 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 July 2024.

How much traffic does SR1149 over Prather Creek carry?

About 90 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1149 over Prather Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns SR1149 over Prather Creek?

It is owned by the State Highway Agency.