US Bridges

Mt. Pleasant Rd. over I-40

Poor

Cheatham County, Tennessee · 1.57 M.N. Williamson CO L · Structure no. 11I00400003

Built
1960
65 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
227 ft
4 main spans
Daily traffic
1,030
2020 count
Owner
State
State Highway Agency

About this bridge

Mt. Pleasant Rd. over I-40 is a steel continuous stringer/multi-beam or girder carrying Mt. Pleasant Rd. over I-40 in Cheatham County, Tennessee. It was built in 1960, so it is 65 years old, older than the Tennessee average of 47.4 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, posting recommended but not legally implemented.

It carries about 1,030 vehicles a day, roughly 4% of them trucks, projected to reach 1,648 by 2042. The structure is 227 ft (69.2 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMt. Pleasant Rd.
CrossesI-40
Location1.57 M.N. Williamson CO L
RouteCounty Highway 383
CountyCheatham County
StateTennessee
Coordinates36.06703, -87.12781
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
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 alignment6: Equal to present minimum criteria
Operating rating20.7 US tons
Inventory rating16.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length227 ft (69.2 m)
Longest span68 ft (20.7 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,030 (2020)
Projected traffic1,648 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$650,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mt. Pleasant Rd. over I-40 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Mt. Pleasant Rd. over I-40 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 July 2024.

How much traffic does Mt. Pleasant Rd. over I-40 carry?

About 1,030 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Mt. Pleasant Rd. over I-40?

The structure is 227 ft (69.2 m) long with a longest span of 68 ft (20.7 m) and a deck 29 ft wide.

Who owns Mt. Pleasant Rd. over I-40?

It is owned by the State Highway Agency.