US Bridges

Old Highway 304 over Lost Lake Bayou

Good

Tunica County, Mississippi · Sec 16 T 3S R10W · Structure no. SA7200000000058

Built
1998
27 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
4,700
2017 count
Owner
County
County Highway Agency

About this bridge

Old Highway 304 over Lost Lake Bayou is a prestressed concrete stringer/multi-beam or girder carrying Old Highway 304 over Lost Lake Bayou in Tunica County, Mississippi. It was built in 1998, so it is 27 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 4,700 vehicles a day, roughly 8% of them trucks, projected to reach 7,500 by 2037. The structure is 120 ft (36.6 m) long and 83 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOld Highway 304
CrossesLost Lake Bayou
LocationSec 16 T 3S R10W
RouteCounty Highway 1304
Coordinates34.81836, -90.25964
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width83 ft (25.2 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2017)
Projected traffic7,500 by 2037
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old Highway 304 over Lost Lake Bayou built?

It was built in 1998, making it 27 years old in 2025.

What condition is Old Highway 304 over Lost Lake Bayou 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 Old Highway 304 over Lost Lake Bayou carry?

About 4,700 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is Old Highway 304 over Lost Lake Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 83 ft wide.

Who owns Old Highway 304 over Lost Lake Bayou?

It is owned by the County Highway Agency.