US Bridges

Hwy. 404 over Mouse Creek

Fair

Montgomery County, Mississippi · Sec 30 T21N R 7E B · Structure no. SA4900000000136

Built
1991
34 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
320
2024 count
Owner
County
County Highway Agency

About this bridge

Hwy. 404 over Mouse Creek is a prestressed concrete stringer/multi-beam or girder carrying Hwy. 404 over Mouse Creek in Montgomery County, Mississippi. It was built in 1991, so it is 34 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 320 vehicles a day, roughly 8% of them trucks, projected to reach 480 by 2044. The structure is 135 ft (41.1 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHwy. 404
CrossesMouse Creek
LocationSec 30 T21N R 7E B
RouteCounty Highway 715
Coordinates33.65603, -89.59941
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating18.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadH 15
Structure length135 ft (41.1 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2024)
Projected traffic480 by 2044
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hwy. 404 over Mouse Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Hwy. 404 over Mouse Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Hwy. 404 over Mouse Creek carry?

About 320 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Hwy. 404 over Mouse Creek?

The structure is 135 ft (41.1 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns Hwy. 404 over Mouse Creek?

It is owned by the County Highway Agency.