US Bridges

Smith Co. 120 over Bowlen Creek

Good

Smith County, Mississippi · Sec 23 T 3N R 8E · Structure no. SA6500000000067

Built
1998
27 years old
Condition
Good
inspected October 2024
Type
Channel Beam
Concrete
Length
112 ft
400 main spans
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 120 over Bowlen Creek is a concrete channel beam carrying Smith Co. 120 over Bowlen Creek in Smith County, Mississippi. It was built in 1998, so it is 27 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, roughly 8% of them trucks, projected to reach 100 by 2044. The structure is 112 ft (34 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSmith Co. 120
CrossesBowlen Creek
LocationSec 23 T 3N R 8E
RouteCounty Highway 91
Coordinates32.08995, -89.44717
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.7 US tons
Inventory rating46.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans400
Design loadHS 20
Structure length112 ft (34 m)
Longest span30 ft (9 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic100 by 2044
Trucks8%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$900,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 120 over Bowlen Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Smith Co. 120 over Bowlen 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 October 2024.

How much traffic does Smith Co. 120 over Bowlen Creek carry?

About 70 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Smith Co. 120 over Bowlen Creek?

The structure is 112 ft (34 m) long with a longest span of 30 ft (9 m) and a deck 26 ft wide.

Who owns Smith Co. 120 over Bowlen Creek?

It is owned by the County Highway Agency.