US Bridges

SR1117 over US29

Poor

Guilford County, North Carolina · 0.5 Mi. N. of Jct. SR1125 · Structure no. 000000000810197

Built
1974
51 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
254 ft
2 main spans
Daily traffic
16,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR1117 over US29 is a steel stringer/multi-beam or girder carrying SR1117 over US29 in Guilford County, North Carolina. It was built in 1974, so it is 51 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.

It carries about 16,000 vehicles a day, roughly 6% of them trucks, projected to reach 32,000 by 2040. The structure is 254 ft (77.4 m) long and 90 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1117
CrossesUS29
Location0.5 Mi. N. of Jct. SR1125
RouteState Highway 1117
CountyGuilford County
StateNorth Carolina
Coordinates36.01107, -79.83962
Functional classUrban Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating67.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length254 ft (77.4 m)
Longest span126 ft (38.4 m)
Deck width90 ft (27.4 m)
Roadway width88 ft (26.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2022)
Projected traffic32,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1117 over US29 built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR1117 over US29 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 September 2024.

How much traffic does SR1117 over US29 carry?

About 16,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1117 over US29?

The structure is 254 ft (77.4 m) long with a longest span of 126 ft (38.4 m) and a deck 90 ft wide.

Who owns SR1117 over US29?

It is owned by the State Highway Agency.