US Bridges

SR1725 over 20th Street

Fair

Forsyth County, North Carolina · 1.0 Mi. N. Jct. SR1508 · Structure no. 000000000670322

Built
2010
15 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
18,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR1725 over 20th Street is a prestressed concrete slab carrying SR1725 over 20th Street in Forsyth County, North Carolina. It was built in 2010, so it is 15 years old, younger 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 6 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 18,000 vehicles a day, roughly 12% of them trucks, projected to reach 36,000 by 2040. The structure is 70 ft (21.3 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1725
Crosses20th Street
Location1.0 Mi. N. Jct. SR1508
RouteState Highway 1725
Coordinates36.11738, -80.25647
Functional classUrban Other Principal 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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span67 ft (20.4 m)
Deck width60 ft (18.2 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2021)
Projected traffic36,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1725 over 20th Street built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR1725 over 20th Street 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 September 2024.

How much traffic does SR1725 over 20th Street carry?

About 18,000 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is SR1725 over 20th Street?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 60 ft wide.

Who owns SR1725 over 20th Street?

It is owned by the State Highway Agency.