US Bridges

US 45/US 82 over Tenn Tom Waterway

Fair

Lowndes County, Mississippi · 1.8 MI E JCT US 45S/US 82 · Structure no. 21000450441608A

Built
1982
43 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,102 ft
3 main spans
Daily traffic
15,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 45/US 82 over Tenn Tom Waterway is a steel continuous stringer/multi-beam or girder carrying US 45/US 82 over Tenn Tom Waterway in Lowndes County, Mississippi. It was built in 1982, so it is 43 years old, older than the Mississippi average of 38.9 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 15,500 vehicles a day, roughly 15% of them trucks, projected to reach 20,000 by 2043. The structure is 2,102 ft (640.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45/US 82
CrossesTenn Tom Waterway
Location1.8 MI E JCT US 45S/US 82
RouteU.S. Route 45
Coordinates33.49543, -88.4575
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+11 approach)
Design loadHS 20
Structure length2,102 ft (640.8 m)
Longest span400 ft (121.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2023)
Projected traffic20,000 by 2043
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 45/US 82 over Tenn Tom Waterway built?

It was built in 1982, making it 43 years old in 2025.

What condition is US 45/US 82 over Tenn Tom Waterway 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 October 2024.

How much traffic does US 45/US 82 over Tenn Tom Waterway carry?

About 15,500 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 45/US 82 over Tenn Tom Waterway?

The structure is 2,102 ft (640.8 m) long with a longest span of 400 ft (121.9 m) and a deck 43 ft wide.

Who owns US 45/US 82 over Tenn Tom Waterway?

It is owned by the State Highway Agency.