US Bridges

SR1611 over Rhodhiss Lake

Fair

Burke County, North Carolina · .15 MI.N.JCT.SR1651 · Structure no. 000000000230350

Built
1972
53 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
640 ft
6 main spans
Daily traffic
5,700
2021 count
Owner
State
State Highway Agency

About this bridge

SR1611 over Rhodhiss Lake is a steel continuous stringer/multi-beam or girder carrying SR1611 over Rhodhiss Lake in Burke County, North Carolina. It was built in 1972, so it is 53 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,700 vehicles a day, roughly 6% of them trucks, projected to reach 11,400 by 2040. The structure is 640 ft (195 m) long and 38 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR1611
CrossesRhodhiss Lake
Location.15 MI.N.JCT.SR1651
RouteState Highway 1611
Coordinates35.7726, -81.43071
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6 (+2 approach)
Design loadHS 20 + Mod
Structure length640 ft (195 m)
Longest span80 ft (24.3 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2021)
Projected traffic11,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 SR1611 over Rhodhiss Lake built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR1611 over Rhodhiss Lake 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 December 2023.

How much traffic does SR1611 over Rhodhiss Lake carry?

About 5,700 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1611 over Rhodhiss Lake?

The structure is 640 ft (195 m) long with a longest span of 80 ft (24.3 m) and a deck 38 ft wide.

Who owns SR1611 over Rhodhiss Lake?

It is owned by the State Highway Agency.