US Bridges

Smith Co. 18 over Sullivans Hollow Creek

Fair

Smith County, Mississippi · Sec 28 T10N R15W B · Structure no. SA6500000000131

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
4 main spans
Daily traffic
260
2021 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 18 over Sullivans Hollow Creek is a prestressed concrete stringer/multi-beam or girder carrying Smith Co. 18 over Sullivans Hollow Creek in Smith County, Mississippi. It was built in 1975, so it is 50 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 260 vehicles a day, roughly 10% of them trucks, projected to reach 390 by 2043. The structure is 160 ft (48.8 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSmith Co. 18
CrossesSullivans Hollow Creek
LocationSec 28 T10N R15W B
RouteCounty Highway 262
Coordinates31.80514, -89.51358
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 rating66.9 US tons
Inventory rating30.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2021)
Projected traffic390 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$1.5 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 18 over Sullivans Hollow Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Smith Co. 18 over Sullivans Hollow 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 September 2023.

How much traffic does Smith Co. 18 over Sullivans Hollow Creek carry?

About 260 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Smith Co. 18 over Sullivans Hollow Creek?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Smith Co. 18 over Sullivans Hollow Creek?

It is owned by the County Highway Agency.