US Bridges

SR 587 over Tilton Creek

Good

Lawrence County, Mississippi · 1.2 MI N Marion Cl · Structure no. 310058703901770

Built
1964
61 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
4 main spans
Daily traffic
80
2023 count
Owner
State
State Highway Agency

About this bridge

SR 587 over Tilton Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 587 over Tilton Creek in Lawrence County, Mississippi. It was built in 1964, so it is 61 years old, older 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 80 vehicles a day, roughly 11% of them trucks, projected to reach 80 by 2043. The structure is 300 ft (91.4 m) long and 27 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesSR 587
CrossesTilton Creek
Location1.2 MI N Marion Cl
RouteState Highway 587
Coordinates31.40896, -90.01816
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.5 US tons
Inventory rating29.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+7 approach)
Design loadH 15
Structure length300 ft (91.4 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic80 by 2043
Trucks11%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$251 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 587 over Tilton Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is SR 587 over Tilton Creek 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 September 2024.

How much traffic does SR 587 over Tilton Creek carry?

About 80 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 587 over Tilton Creek?

The structure is 300 ft (91.4 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns SR 587 over Tilton Creek?

It is owned by the State Highway Agency.