US Bridges

SR 9 over Brown Creek

Good

Union County, Mississippi · 5.0 MI N US 78 · Structure no. 310000907310690

Built
1993
32 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
202 ft
1 main span
Daily traffic
1,800
2023 count
Owner
State
State Highway Agency

About this bridge

SR 9 over Brown Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 9 over Brown Creek in Union County, Mississippi. It was built in 1993, so it is 32 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 1,800 vehicles a day, roughly 11% of them trucks, projected to reach 1,800 by 2043. The structure is 202 ft (61.7 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR 9
CrossesBrown Creek
Location5.0 MI N US 78
RouteState Highway 9
Coordinates34.43309, -88.84607
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.2 US tons
Inventory rating28.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length202 ft (61.7 m)
Longest span80 ft (24.4 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic1,800 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 9 over Brown Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR 9 over Brown 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 December 2023.

How much traffic does SR 9 over Brown Creek carry?

About 1,800 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 9 over Brown Creek?

The structure is 202 ft (61.7 m) long with a longest span of 80 ft (24.4 m) and a deck 35 ft wide.

Who owns SR 9 over Brown Creek?

It is owned by the State Highway Agency.