US Bridges

Turnbull Road over West Fork Thompson Creek

PoorPosted for load

Wilkinson County, Mississippi · Sec 41 T 1N R 2W · Structure no. SA7900000000016

Built
1991
34 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
133 ft
7 main spans
Daily traffic
25
2013 count
Owner
County
County Highway Agency

About this bridge

Turnbull Road over West Fork Thompson Creek is a wood or timber stringer/multi-beam or girder carrying Turnbull Road over West Fork Thompson Creek in Wilkinson County, Mississippi. It was built in 1991, so it is 34 years old, younger 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 4 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 25 vehicles a day, projected to reach 38 by 2033. The structure is 133 ft (40.5 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTurnbull Road
CrossesWest Fork Thompson Creek
LocationSec 41 T 1N R 2W
RouteCounty Highway 30
Coordinates31.02222, -91.29083
Functional classRural Local

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.1 US tons
Inventory rating18.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadH 15
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2013)
Projected traffic38 by 2033
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$840,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Turnbull Road over West Fork Thompson Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Turnbull Road over West Fork Thompson 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 Turnbull Road over West Fork Thompson Creek carry?

About 25 vehicles per day (2013 count).

How long is Turnbull Road over West Fork Thompson Creek?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 16 ft wide.

Who owns Turnbull Road over West Fork Thompson Creek?

It is owned by the County Highway Agency.