US Bridges

US 51 over Tillatoba Creek

PoorPosted for load

Yalobusha County, Mississippi · 5.5 MI N Grenada Cl · Structure no. 210005108122470

Built
1940
85 years old
Condition
Poor
inspected October 2024
Type
Tee Beam
Concrete
Length
270 ft
9 main spans
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 over Tillatoba Creek is a concrete tee beam 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,200 vehicles a day, roughly 11% of them trucks, projected to reach 1,200 by 2043. The structure is 270 ft (82.3 m) long and 27 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 51
CrossesTillatoba Creek
Location5.5 MI N Grenada Cl
RouteU.S. Route 51
Coordinates33.9689, -89.9021
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length270 ft (82.3 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,200 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$1,000 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 poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does US 51 over Tillatoba Creek carry?

About 1,200 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 51 over Tillatoba Creek?

The structure is 270 ft (82.3 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns US 51 over Tillatoba Creek?

It is owned by the State Highway Agency.