US Bridges

Willow Road over I40

Poor

Guilford County, North Carolina · 1.15 Mi. S. Jct. US29 · Structure no. 000000000810352

Built
1958
67 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
196 ft
4 main spans
Daily traffic
4,800
2023 count
Owner
State
State Highway Agency

About this bridge

Willow Road over I40 is a steel stringer/multi-beam or girder carrying Willow Road over I40 in Guilford County, North Carolina. It was built in 1958, so it is 67 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: open, would be posted or closed except for temporary shoring.

It carries about 4,800 vehicles a day, roughly 7% of them trucks, projected to reach 9,600 by 2040. The structure is 196 ft (59.7 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWillow Road
CrossesI40
Location1.15 Mi. S. Jct. US29
RouteCity Street 0
Coordinates36.04648, -79.7618
Functional classUrban Collector

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.
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, would be posted or closed except for temporary shoring
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating39.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length196 ft (59.7 m)
Longest span57 ft (17.3 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2023)
Projected traffic9,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Willow Road over I40 built?

It was built in 1958, making it 67 years old in 2025.

What condition is Willow Road over I40 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 Willow Road over I40 carry?

About 4,800 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Willow Road over I40?

The structure is 196 ft (59.7 m) long with a longest span of 57 ft (17.3 m) and a deck 36 ft wide.

Who owns Willow Road over I40?

It is owned by the State Highway Agency.