US Bridges

Dykes Chapel Road over Thompson Creek

FairPosted for load

Perry County, Mississippi · Sec 9 T 5N R 9W B · Structure no. SA5600000000102

Built
1964
61 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
360 ft
9 main spans
Daily traffic
410
2023 count
Owner
County
County Highway Agency

About this bridge

Dykes Chapel Road over Thompson Creek is a steel stringer/multi-beam or girder carrying Dykes Chapel Road over Thompson Creek in Perry 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 410 vehicles a day, roughly 8% of them trucks, projected to reach 615 by 2043. The structure is 360 ft (109.7 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesDykes Chapel Road
CrossesThompson Creek
LocationSec 9 T 5N R 9W B
RouteCounty Highway 1150
Coordinates31.41229, -88.90752
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.6 US tons
Inventory rating19.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length360 ft (109.7 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2023)
Projected traffic615 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$140,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dykes Chapel Road over Thompson Creek built?

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

What condition is Dykes Chapel Road over Thompson 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 December 2023.

How much traffic does Dykes Chapel Road over Thompson Creek carry?

About 410 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Dykes Chapel Road over Thompson Creek?

The structure is 360 ft (109.7 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Dykes Chapel Road over Thompson Creek?

It is owned by the County Highway Agency.