US Bridges

Old Hillsboro RD over Tallabogue Creek

Good

Scott County, Mississippi · Sec 33 T 7N R 8E B · Structure no. SA620000000A090

Built
2020
5 years old
Condition
Good
inspected May 2024
Type
Channel Beam
Concrete
Length
102 ft
3 main spans
Daily traffic
510
2018 count
Owner
County
County Highway Agency

About this bridge

Old Hillsboro RD over Tallabogue Creek is a concrete channel beam carrying Old Hillsboro RD over Tallabogue Creek in Scott County, Mississippi. It was built in 2020, so it is 5 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 510 vehicles a day, roughly 8% of them trucks, projected to reach 780 by 2044. The structure is 102 ft (31.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOld Hillsboro RD
CrossesTallabogue Creek
LocationSec 33 T 7N R 8E B
RouteCounty Highway 91
Coordinates32.40464, -89.47894
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length102 ft (31.1 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2018)
Projected traffic780 by 2044
Trucks8%
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$420,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Hillsboro RD over Tallabogue Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Old Hillsboro RD over Tallabogue 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 May 2024.

How much traffic does Old Hillsboro RD over Tallabogue Creek carry?

About 510 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Old Hillsboro RD over Tallabogue Creek?

The structure is 102 ft (31.1 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Old Hillsboro RD over Tallabogue Creek?

It is owned by the County Highway Agency.