US Bridges

SR 571 over Miller Creek

Good

Amite County, Mississippi · 1.0 MI N LA State Line · Structure no. 310057100300100

Built
2018
7 years old
Condition
Good
inspected February 2024
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
170
2023 count
Owner
State
State Highway Agency

About this bridge

SR 571 over Miller Creek is a concrete channel beam carrying SR 571 over Miller Creek in Amite County, Mississippi. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 170 vehicles a day, roughly 13% of them trucks, projected to reach 170 by 2043. The structure is 93 ft (28.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 571
CrossesMiller Creek
Location1.0 MI N LA State Line
RouteState Highway 571
Coordinates31.01006, -90.64104
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.8 US tons
Inventory rating40.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2023)
Projected traffic170 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 571 over Miller Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR 571 over Miller 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 2024.

How much traffic does SR 571 over Miller Creek carry?

About 170 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 571 over Miller Creek?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns SR 571 over Miller Creek?

It is owned by the State Highway Agency.