US Bridges

Mcclain Road over Tanyard Creek

Good

Amite County, Mississippi · Sec 4 T 2N R 4E · Structure no. SA0300000000066

Built
1996
29 years old
Condition
Good
inspected January 2023
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
80
2021 count
Owner
County
County Highway Agency

About this bridge

Mcclain Road over Tanyard Creek is a concrete channel beam carrying Mcclain Road over Tanyard Creek in Amite County, Mississippi. It was built in 1996, so it is 29 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 80 vehicles a day, projected to reach 120 by 2043. The structure is 93 ft (28.3 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMcclain Road
CrossesTanyard Creek
LocationSec 4 T 2N R 4E
RouteCounty Highway 148
Coordinates31.16995, -90.80966
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating49.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2021)
Projected traffic120 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcclain Road over Tanyard Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Mcclain 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 January 2023.

How much traffic does Mcclain Road over Tanyard Creek carry?

About 80 vehicles per day (2021 count).

How long is Mcclain Road over Tanyard Creek?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Mcclain Road over Tanyard Creek?

It is owned by the County Highway Agency.