US Bridges

Commonwealth Ave. over Leith Creek

PoorClosed to traffic

Scotland County, North Carolina · .2MI E.Jct.N.Caledona Rd. · Structure no. 000000001650081

Built
1950
75 years old
Condition
Poor
inspected March 2020
Type
Girder and Floorbeam System
Steel
Length
36 ft
1 main span
Daily traffic
900
1991 count
Owner
City
City or Municipal Highway Agency

About this bridge

Commonwealth Ave. over Leith Creek is a steel girder and floorbeam system carrying Commonwealth Ave. over Leith Creek in Scotland County, North Carolina. It was built in 1950, so it is 75 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 1 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: closed to all traffic.

It carries about 900 vehicles a day, roughly 7% of them trucks, projected to reach 1,600 by 2040. The structure is 36 ft (10.9 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCommonwealth Ave.
CrossesLeith Creek
Location.2MI E.Jct.N.Caledona Rd.
RouteCity Street 0
Coordinates34.77343, -79.44996
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2020
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy0: Immediate repair necessary to put back in service
Approach roadway alignment8: Equal to present desirable criteria
Operating rating8.9 US tons
Inventory rating5 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span35 ft (10.6 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (1991)
Projected traffic1,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Commonwealth Ave. over Leith Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Commonwealth Ave. over Leith 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 March 2020.

How much traffic does Commonwealth Ave. over Leith Creek carry?

About 900 vehicles per day (1991 count), of which roughly 7% are trucks.

How long is Commonwealth Ave. over Leith Creek?

The structure is 36 ft (10.9 m) long with a longest span of 35 ft (10.6 m) and a deck 27 ft wide.

Who owns Commonwealth Ave. over Leith Creek?

It is owned by the City or Municipal Highway Agency.