US Bridges

Clinton Tinnin RD over Bch of Straight Fence CR

Good

Hinds County, Mississippi · Sec 15 T 7N R 2W · Structure no. SA250000000A340

Built
2019
6 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
1,700
2023 count
Owner
County
County Highway Agency

About this bridge

Clinton Tinnin RD over Bch of Straight Fence CR is a prestressed concrete stringer/multi-beam or girder carrying Clinton Tinnin RD over Bch of Straight Fence CR in Hinds County, Mississippi. It was built in 2019, so it is 6 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 1,700 vehicles a day, roughly 8% of them trucks, projected to reach 2,550 by 2043. The structure is 140 ft (42.7 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesClinton Tinnin RD
CrossesBch of Straight Fence CR
LocationSec 15 T 7N R 2W
RouteCounty Highway 489
Coordinates32.4514, -90.38687
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating52.1 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length140 ft (42.7 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,550 by 2043
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 Clinton Tinnin RD over Bch of Straight Fence CR built?

It was built in 2019, making it 6 years old in 2025.

What condition is Clinton Tinnin RD over Bch of Straight Fence CR 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 April 2024.

How much traffic does Clinton Tinnin RD over Bch of Straight Fence CR carry?

About 1,700 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Clinton Tinnin RD over Bch of Straight Fence CR?

The structure is 140 ft (42.7 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns Clinton Tinnin RD over Bch of Straight Fence CR?

It is owned by the County Highway Agency.