US Bridges

Harriston Road over Small Creek

Fair

Jefferson County, Mississippi · Sec 34 T 9N R 2E B · Structure no. SA3200000000038

Built
1965
60 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
200
2013 count
Owner
County
County Highway Agency

About this bridge

Harriston Road over Small Creek is a concrete channel beam carrying Harriston Road over Small Creek in Jefferson County, Mississippi. It was built in 1965, so it is 60 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 5 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 200 vehicles a day, roughly 8% of them trucks, projected to reach 510 by 2033. The structure is 76 ft (23.2 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesHarriston Road
CrossesSmall Creek
LocationSec 34 T 9N R 2E B
RouteCounty Highway 304
Coordinates31.72753, -91.02847
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating31.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2013)
Projected traffic510 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Harriston Road over Small Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Harriston Road over Small Creek 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 December 2023.

How much traffic does Harriston Road over Small Creek carry?

About 200 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Harriston Road over Small Creek?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Harriston Road over Small Creek?

It is owned by the County Highway Agency.