US Bridges

SR 27 over Big Black River

Good

Hinds County, Mississippi · Hinds/Warren Cl · Structure no. 310002702511780

Built
2024
1 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,142 ft
3 main spans
Daily traffic
3,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 27 over Big Black River is a steel continuous stringer/multi-beam or girder carrying SR 27 over Big Black River in Hinds County, Mississippi. It was built in 2024, so it is 1 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 3,100 vehicles a day, roughly 21% of them trucks, projected to reach 3,100 by 2043. The structure is 1,142 ft (348.1 m) long and 47 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSR 27
CrossesBig Black River
LocationHinds/Warren Cl
RouteState Highway 27
Coordinates32.2362, -90.72509
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
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 rating65.9 US tons
Inventory rating50.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHL 93
Structure length1,142 ft (348.1 m)
Longest span300 ft (91.4 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic3,100 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 27 over Big Black River built?

It was built in 2024, making it 1 years old in 2025.

What condition is SR 27 over Big Black 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 June 2024.

How much traffic does SR 27 over Big Black River carry?

About 3,100 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SR 27 over Big Black River?

The structure is 1,142 ft (348.1 m) long with a longest span of 300 ft (91.4 m) and a deck 47 ft wide.

Who owns SR 27 over Big Black River?

It is owned by the State Highway Agency.