US Bridges

Bingham Road over Cumberland River

PoorPosted for load

Knox County, Kentucky · .6 MI S-Old RR Lane · Structure no. 061C00035N

Built
1905
120 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
304 ft
1 main span
Daily traffic
119
2006 count
Owner
County
County Highway Agency

About this bridge

Bingham Road over Cumberland River is a steel truss - thru carrying Bingham Road over Cumberland River in Knox County, Kentucky. It was built in 1905, so it is 120 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 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: posted for load restriction.

It carries about 119 vehicles a day, projected to reach 166 by 2026. The structure is 304 ft (92.7 m) long and 14 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBingham Road
CrossesCumberland River
Location.6 MI S-Old RR Lane
RouteCounty Highway 1172
Coordinates36.82278, -83.84
Functional classRural 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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.5 US tons
Inventory rating13.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadHS 20
Structure length304 ft (92.7 m)
Longest span210 ft (64 m)
Deck width14 ft (4.3 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deck22 ft (6.8 m)

Traffic and service

Average daily traffic119 (2006)
Projected traffic166 by 2026
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$583,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bingham Road over Cumberland River built?

It was built in 1905, making it 120 years old in 2025.

What condition is Bingham Road over Cumberland River 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 June 2024.

How much traffic does Bingham Road over Cumberland River carry?

About 119 vehicles per day (2006 count).

How long is Bingham Road over Cumberland River?

The structure is 304 ft (92.7 m) long with a longest span of 210 ft (64 m) and a deck 14 ft wide.

Who owns Bingham Road over Cumberland River?

It is owned by the County Highway Agency.