US Bridges

US 51 over Tillatoba Creek

Fair

Yalobusha County, Mississippi · 9.4 MI N Grenada Cl · Structure no. 210005108122860

Built
1940
85 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
210 ft
7 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 over Tillatoba Creek is a steel stringer/multi-beam or girder carrying US 51 over Tillatoba Creek in Yalobusha County, Mississippi. It was built in 1940, so it is 85 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 5 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 1,000 vehicles a day, roughly 11% of them trucks, projected to reach 1,000 by 2043. The structure is 210 ft (64 m) long and 25 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 51
CrossesTillatoba Creek
Location9.4 MI N Grenada Cl
RouteU.S. Route 51
Coordinates34.02174, -89.90922
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating33.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length210 ft (64 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,000 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$640 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 51 over Tillatoba Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is US 51 over Tillatoba Creek 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 November 2023.

How much traffic does US 51 over Tillatoba Creek carry?

About 1,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 51 over Tillatoba Creek?

The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns US 51 over Tillatoba Creek?

It is owned by the State Highway Agency.