US Bridges

Mary Wall Bridge over Davis Creek

GoodPosted for load

Amite County, Mississippi · Sec 15 T 1N R 4E · Structure no. SA0300000000206

Built
2018
7 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
60 ft
3 main spans
Daily traffic
110
2019 count
Owner
County
County Highway Agency

About this bridge

Mary Wall Bridge over Davis Creek is a wood or timber stringer/multi-beam or girder carrying Mary Wall Bridge over Davis 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 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 load restriction.

It carries about 110 vehicles a day, roughly 8% of them trucks, projected to reach 165 by 2039. The structure is 60 ft (18.2 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMary Wall Bridge
CrossesDavis Creek
LocationSec 15 T 1N R 4E
RouteCounty Highway 70
Coordinates31.04403, -90.78512
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.4 US tons
Inventory rating20.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 10
Structure length60 ft (18.2 m)
Longest span21 ft (6.4 m)
Deck width22 ft (6.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2019)
Projected traffic165 by 2039
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Mary Wall Bridge over Davis Creek built?

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

What condition is Mary Wall Bridge over Davis 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 November 2024.

How much traffic does Mary Wall Bridge over Davis Creek carry?

About 110 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Mary Wall Bridge over Davis Creek?

The structure is 60 ft (18.2 m) long with a longest span of 21 ft (6.4 m) and a deck 22 ft wide.

Who owns Mary Wall Bridge over Davis Creek?

It is owned by the County Highway Agency.