US Bridges

John Rankin Hwy. over Rock Creek

Good

Tishomingo County, Mississippi · Sec 2 T 7S R 9E B · Structure no. SA7100000000071

Built
1981
44 years old
Condition
Good
inspected September 2023
Type
Channel Beam
Concrete
Length
279 ft
700 main spans
Daily traffic
290
2024 count
Owner
County
County Highway Agency

About this bridge

John Rankin Hwy. over Rock Creek is a concrete channel beam carrying John Rankin Hwy. over Rock Creek in Tishomingo County, Mississippi. It was built in 1981, so it is 44 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 290 vehicles a day, roughly 20% of them trucks, projected to reach 435 by 2045. The structure is 279 ft (85 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesJohn Rankin Hwy.
CrossesRock Creek
LocationSec 2 T 7S R 9E B
RouteCounty Highway 992
Coordinates34.49872, -88.31458
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.1 US tons
Inventory rating41 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans700
Design loadHS 15
Structure length279 ft (85 m)
Longest span39 ft (12 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2024)
Projected traffic435 by 2045
Trucks20%
Lanes on structure20
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was John Rankin Hwy. over Rock Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is John Rankin Hwy. over Rock 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 John Rankin Hwy. over Rock Creek carry?

About 290 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is John Rankin Hwy. over Rock Creek?

The structure is 279 ft (85 m) long with a longest span of 39 ft (12 m) and a deck 33 ft wide.

Who owns John Rankin Hwy. over Rock Creek?

It is owned by the County Highway Agency.