US Bridges

Smith Co. 31 over Sullivan Hollow Creek

Good

Smith County, Mississippi · Sec 19 T10N R15W · Structure no. SA6500000000127

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 31 over Sullivan Hollow Creek is a concrete culvert carrying Smith Co. 31 over Sullivan Hollow Creek in Smith County, Mississippi. It was built in 2001, so it is 24 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2043. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSmith Co. 31
CrossesSullivan Hollow Creek
LocationSec 19 T10N R15W
RouteCounty Highway 158
Coordinates31.82403, -89.54117
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic75 by 2043
Trucks5%
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$550,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 31 over Sullivan Hollow Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Smith Co. 31 over Sullivan Hollow Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Smith Co. 31 over Sullivan Hollow Creek carry?

About 50 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Smith Co. 31 over Sullivan Hollow Creek?

The structure is 31 ft (9.6 m) long with a longest span of 14 ft (4.3 m).

Who owns Smith Co. 31 over Sullivan Hollow Creek?

It is owned by the County Highway Agency.