US Bridges

Columbia ST over Branch

Fair

Lawrence County, Mississippi · Sec 28 T 7N R11E · Structure no. SA3900000000057

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
150
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Columbia ST over Branch is a concrete channel beam carrying Columbia ST over Branch in Lawrence County, Mississippi. It was built in 1983, so it is 42 years old, older 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 170 by 2046. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesColumbia ST
CrossesBranch
LocationSec 28 T 7N R11E
RouteCity Street 357
Coordinates31.55096, -90.10686
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 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 rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic170 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$31,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Columbia ST over Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Columbia ST over 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 October 2024.

How much traffic does Columbia ST over Branch carry?

About 150 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Columbia ST over Branch?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Columbia ST over Branch?

It is owned by the City or Municipal Highway Agency.