US Bridges

CR 231 over Tishomingo Creek

PoorPosted for load

Lee County, Mississippi · Sec 11 T 7S R 5E B · Structure no. SA4100000000003

Built
2005
20 years old
Condition
Poor
inspected January 2025
Type
Girder and Floorbeam System
Steel
Length
118 ft
5 main spans
Daily traffic
650
2021 count
Owner
County
County Highway Agency

About this bridge

CR 231 over Tishomingo Creek is a steel girder and floorbeam system carrying CR 231 over Tishomingo Creek in Lee County, Mississippi. It was built in 2005, so it is 20 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 650 vehicles a day, roughly 8% of them trucks, projected to reach 975 by 2043. The structure is 118 ft (36 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 231
CrossesTishomingo Creek
LocationSec 11 T 7S R 5E B
RouteCounty Highway 860
Coordinates34.49344, -88.74203
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating13.7 US tons
Inventory rating8.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans5
Design loadUnknown
Structure length118 ft (36 m)
Longest span23 ft (7.1 m)
Deck width23 ft (7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2021)
Projected traffic975 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$722,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 231 over Tishomingo Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is CR 231 over Tishomingo Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does CR 231 over Tishomingo Creek carry?

About 650 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is CR 231 over Tishomingo Creek?

The structure is 118 ft (36 m) long with a longest span of 23 ft (7.1 m) and a deck 23 ft wide.

Who owns CR 231 over Tishomingo Creek?

It is owned by the County Highway Agency.