US Bridges

SR 50 over Tenn Tom Waterway

Good

Clay County, Mississippi · Clay/Lowndes Cl · Structure no. 310005001308340

Built
1981
44 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
3,202 ft
3 main spans
Daily traffic
4,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 50 over Tenn Tom Waterway is a steel continuous stringer/multi-beam or girder carrying SR 50 over Tenn Tom Waterway in Clay County, Mississippi. It was built in 1981, so it is 44 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,900 vehicles a day, roughly 14% of them trucks, projected to reach 4,900 by 2043. The structure is 3,202 ft (976 m) long and 43 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesSR 50
CrossesTenn Tom Waterway
LocationClay/Lowndes Cl
RouteState Highway 50
Coordinates33.58669, -88.49156
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating28.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+22 approach)
Design loadHS 20
Structure length3,202 ft (976 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 traffic4,900 (2023)
Projected traffic4,900 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR 50 over Tenn Tom Waterway built?

It was built in 1981, making it 44 years old in 2025.

What condition is SR 50 over Tenn Tom Waterway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does SR 50 over Tenn Tom Waterway carry?

About 4,900 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 50 over Tenn Tom Waterway?

The structure is 3,202 ft (976 m) long with a longest span of 400 ft (121.9 m) and a deck 43 ft wide.

Who owns SR 50 over Tenn Tom Waterway?

It is owned by the State Highway Agency.