US Bridges

FAS 1505 Murphy over Bayou

Good

Washington County, Mississippi · Sec 34 T15N R 5W B · Structure no. SA760000000A039

Built
2022
3 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
282 ft
4 main spans
Daily traffic
60
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 1505 Murphy over Bayou is a prestressed concrete stringer/multi-beam or girder carrying FAS 1505 Murphy over Bayou in Washington 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 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 60 vehicles a day, roughly 8% of them trucks, projected to reach 90 by 2041. The structure is 282 ft (85.9 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 1505 Murphy
CrossesBayou
LocationSec 34 T15N R 5W B
RouteCounty Highway 1505
Coordinates33.09797, -90.70204
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length282 ft (85.9 m)
Longest span110 ft (33.5 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2021)
Projected traffic90 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1505 Murphy over Bayou built?

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

What condition is FAS 1505 Murphy over Bayou 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 August 2023.

How much traffic does FAS 1505 Murphy over Bayou carry?

About 60 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAS 1505 Murphy over Bayou?

The structure is 282 ft (85.9 m) long with a longest span of 110 ft (33.5 m) and a deck 33 ft wide.

Who owns FAS 1505 Murphy over Bayou?

It is owned by the County Highway Agency.