US Bridges

SR 172 over Ellington Branch

Good

Tishomingo County, Mississippi · 2.3 MI E US 72 · Structure no. 310017207100240

Built
2021
4 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
333 ft
3 main spans
Daily traffic
1,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR 172 over Ellington Branch is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 172 over Ellington Branch in Tishomingo County, Mississippi. It was built in 2021, so it is 4 years old, younger 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 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 1,500 by 2043. The structure is 333 ft (101.4 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 172
CrossesEllington Branch
Location2.3 MI E US 72
RouteState Highway 172
Coordinates34.81252, -88.25955
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length333 ft (101.4 m)
Longest span110 ft (33.5 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic1,500 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 172 over Ellington Branch built?

It was built in 2021, making it 4 years old in 2025.

What condition is SR 172 over Ellington Branch 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 December 2023.

How much traffic does SR 172 over Ellington Branch carry?

About 1,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 172 over Ellington Branch?

The structure is 333 ft (101.4 m) long with a longest span of 110 ft (33.5 m) and a deck 39 ft wide.

Who owns SR 172 over Ellington Branch?

It is owned by the State Highway Agency.