US Bridges

FAS 1143 Mchenry R over Little Biloxi River

Good

Harrison County, Mississippi · Sec 11 T 5S R13W B · Structure no. SA240000000A035

Built
2022
3 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
4 main spans
Daily traffic
110
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 1143 Mchenry R over Little Biloxi River is a prestressed concrete stringer/multi-beam or girder carrying FAS 1143 Mchenry R over Little Biloxi River in Harrison County, Mississippi. It was built in 2022, so it is 3 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 110 vehicles a day, roughly 3% of them trucks, projected to reach 121 by 2041. The structure is 200 ft (61 m) long and 39 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesFAS 1143 Mchenry R
CrossesLittle Biloxi River
LocationSec 11 T 5S R13W B
RouteCounty Highway 1143
Coordinates30.62016, -89.27064
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.5 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length200 ft (61 m)
Longest span80 ft (24.4 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2021)
Projected traffic121 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 FAS 1143 Mchenry R over Little Biloxi River built?

It was built in 2022, making it 3 years old in 2025.

What condition is FAS 1143 Mchenry R over Little Biloxi River 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 May 2023.

How much traffic does FAS 1143 Mchenry R over Little Biloxi River carry?

About 110 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAS 1143 Mchenry R over Little Biloxi River?

The structure is 200 ft (61 m) long with a longest span of 80 ft (24.4 m) and a deck 39 ft wide.

Who owns FAS 1143 Mchenry R over Little Biloxi River?

It is owned by the County Highway Agency.