US Bridges

US 45 over Chickasawahy River

Good

Wayne County, Mississippi · 0.4 MI S Clarke Cl · Structure no. 21000450770331B

Built
2004
21 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,180 ft
3 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over Chickasawahy River is a steel continuous stringer/multi-beam or girder carrying US 45 over Chickasawahy River in Wayne County, Mississippi. It was built in 2004, so it is 21 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 2,900 vehicles a day, roughly 25% of them trucks, projected to reach 2,900 by 2043. The structure is 1,180 ft (359.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45
CrossesChickasawahy River
Location0.4 MI S Clarke Cl
RouteU.S. Route 45
Coordinates31.83619, -88.70039
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.7 US tons
Inventory rating38.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+15 approach)
Design loadHS 20
Structure length1,180 ft (359.6 m)
Longest span200 ft (61 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic2,900 by 2043
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 45 over Chickasawahy River built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 45 over Chickasawahy 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 September 2023.

How much traffic does US 45 over Chickasawahy River carry?

About 2,900 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is US 45 over Chickasawahy River?

The structure is 1,180 ft (359.6 m) long with a longest span of 200 ft (61 m) and a deck 42 ft wide.

Who owns US 45 over Chickasawahy River?

It is owned by the State Highway Agency.