US Bridges

Old Westville Road over Tanyard Creek

GoodPosted for load

Simpson County, Mississippi · Sec 5 T10N R19W · Structure no. SA6400000000125

Built
1988
37 years old
Condition
Good
inspected February 2023
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Old Westville Road over Tanyard Creek is a concrete channel beam carrying Old Westville Road over Tanyard Creek in Simpson County, Mississippi. It was built in 1988, so it is 37 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. Its operating status is: posted for other load-capacity restriction.

It carries about 60 vehicles a day, roughly 8% of them trucks, projected to reach 90 by 2040. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Westville Road
CrossesTanyard Creek
LocationSec 5 T10N R19W
RouteCounty Highway 166
Coordinates31.87073, -89.94746
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic90 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$175,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Westville Road over Tanyard Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Old Westville Road over Tanyard 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 February 2023.

How much traffic does Old Westville Road over Tanyard Creek carry?

About 60 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Old Westville Road over Tanyard Creek?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Old Westville Road over Tanyard Creek?

It is owned by the County Highway Agency.