US Bridges

CR 300 over South Branch

Fair

Tippah County, Mississippi · Sec 14 T 2S R 3E B · Structure no. SA7000000000012

Built
2009
16 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Concrete
Length
70 ft
3 main spans
Daily traffic
372
2024 count
Owner
County
County Highway Agency

About this bridge

CR 300 over South Branch is a concrete channel beam carrying CR 300 over South Branch in Tippah County, Mississippi. It was built in 2009, so it is 16 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 372 vehicles a day, roughly 8% of them trucks, projected to reach 555 by 2045. The structure is 70 ft (21.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 300
CrossesSouth Branch
LocationSec 14 T 2S R 3E B
RouteCounty Highway 971
Coordinates34.90869, -88.95684
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating59.5 US tons
Inventory rating35.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length70 ft (21.3 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic372 (2024)
Projected traffic555 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$208,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 300 over South Branch built?

It was built in 2009, making it 16 years old in 2025.

What condition is CR 300 over South Branch 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 November 2024.

How much traffic does CR 300 over South Branch carry?

About 372 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is CR 300 over South Branch?

The structure is 70 ft (21.3 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns CR 300 over South Branch?

It is owned by the County Highway Agency.