US Bridges

SR1603 over Cranberry Creek

PoorPosted for load

Ashe County, North Carolina · .2 MI.N.JCT.SR1604 · Structure no. 000000000090092

Built
1961
64 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
130
2000 count
Owner
State
State Highway Agency

About this bridge

SR1603 over Cranberry Creek is a steel stringer/multi-beam or girder carrying SR1603 over Cranberry Creek in Ashe County, North Carolina. It was built in 1961, so it is 64 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 130 vehicles a day, roughly 6% of them trucks, projected to reach 260 by 2040. The structure is 62 ft (18.8 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1603
CrossesCranberry Creek
Location.2 MI.N.JCT.SR1604
RouteState Highway 1603
Coordinates36.45672, -81.31477
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.9 US tons
Inventory rating16 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length62 ft (18.8 m)
Longest span59 ft (17.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2000)
Projected traffic260 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR1603 over Cranberry Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR1603 over Cranberry 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 December 2023.

How much traffic does SR1603 over Cranberry Creek carry?

About 130 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1603 over Cranberry Creek?

The structure is 62 ft (18.8 m) long with a longest span of 59 ft (17.9 m) and a deck 20 ft wide.

Who owns SR1603 over Cranberry Creek?

It is owned by the State Highway Agency.