US Bridges

SR 145 over Relief Tom River

Fair

Monroe County, Mississippi · 1.0 MI W Tom R Br · Structure no. 210004504818890

Built
1930
95 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
240 ft
8 main spans
Daily traffic
2,700
2023 count
Owner
State
State Highway Agency

About this bridge

SR 145 over Relief Tom River is a concrete tee beam carrying SR 145 over Relief Tom River in Monroe County, Mississippi. It was built in 1930, so it is 95 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 2,700 vehicles a day, roughly 4% of them trucks, projected to reach 2,700 by 2043. The structure is 240 ft (73.2 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 145
CrossesRelief Tom River
Location1.0 MI W Tom R Br
RouteState Highway 145
Coordinates33.82287, -88.53443
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length240 ft (73.2 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2023)
Projected traffic2,700 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 145 over Relief Tom River built?

It was built in 1930, making it 95 years old in 2025.

What condition is SR 145 over Relief Tom River 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 June 2023.

How much traffic does SR 145 over Relief Tom River carry?

About 2,700 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 145 over Relief Tom River?

The structure is 240 ft (73.2 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns SR 145 over Relief Tom River?

It is owned by the State Highway Agency.