US Bridges

CR 171 over Brandon Branch

FairPosted for load

Neshoba County, Mississippi · Sec 27 T12N R10E · Structure no. SA5000000000125

Built
2005
20 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

CR 171 over Brandon Branch is a concrete channel beam carrying CR 171 over Brandon Branch in Neshoba County, Mississippi. It was built in 2005, so it is 20 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 8% of them trucks, projected to reach 65 by 2042. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 171
CrossesBrandon Branch
LocationSec 27 T12N R10E
RouteCounty Highway 171
Coordinates32.86752, -89.26091
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.4 US tons
Inventory rating11.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic65 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 171 over Brandon Branch built?

It was built in 2005, making it 20 years old in 2025.

What condition is CR 171 over Brandon 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 September 2024.

How much traffic does CR 171 over Brandon Branch carry?

About 50 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is CR 171 over Brandon Branch?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns CR 171 over Brandon Branch?

It is owned by the County Highway Agency.