US Bridges

Thorn Houlka Road over Yalobusha Creek

Good

Chickasaw County, Mississippi · Sec 9 T13S R 2E B · Structure no. SA0900000000035

Built
1980
45 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
312
2022 count
Owner
County
County Highway Agency

About this bridge

Thorn Houlka Road over Yalobusha Creek is a concrete culvert carrying Thorn Houlka Road over Yalobusha Creek in Chickasaw County, Mississippi. It was built in 1980, so it is 45 years old, older 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 312 vehicles a day, roughly 8% of them trucks, projected to reach 465 by 2040. The structure is 35 ft (10.8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesThorn Houlka Road
CrossesYalobusha Creek
LocationSec 9 T13S R 2E B
RouteCounty Highway 797
Coordinates33.96954, -89.08597
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2022
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 rating50 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic312 (2022)
Projected traffic465 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Thorn Houlka Road over Yalobusha Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Thorn Houlka Road over Yalobusha 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 November 2022.

How much traffic does Thorn Houlka Road over Yalobusha Creek carry?

About 312 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Thorn Houlka Road over Yalobusha Creek?

The structure is 35 ft (10.8 m) long with a longest span of 16 ft (4.9 m).

Who owns Thorn Houlka Road over Yalobusha Creek?

It is owned by the County Highway Agency.