US Bridges

CR 257 over Mill Creek

Good

Tishomingo County, Mississippi · Sec 9 T 3S R11E · Structure no. SA7100000000025

Built
2001
24 years old
Condition
Good
inspected October 2024
Type
Channel Beam
Concrete
Length
92 ft
300 main spans
Daily traffic
52
2024 count
Owner
County
County Highway Agency

About this bridge

CR 257 over Mill Creek is a concrete channel beam carrying CR 257 over Mill Creek in Tishomingo County, Mississippi. It was built in 2001, so it is 24 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 52 vehicles a day, projected to reach 75 by 2045. The structure is 92 ft (28 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 257
CrossesMill Creek
LocationSec 9 T 3S R11E
RouteCounty Highway 90
Coordinates34.82722, -88.13861
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating69.6 US tons
Inventory rating41.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans300
Design loadHS 20
Structure length92 ft (28 m)
Longest span30 ft (9 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2024)
Projected traffic75 by 2045
Trucks0%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 CR 257 over Mill Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is CR 257 over Mill 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 CR 257 over Mill Creek carry?

About 52 vehicles per day (2024 count).

How long is CR 257 over Mill Creek?

The structure is 92 ft (28 m) long with a longest span of 30 ft (9 m) and a deck 33 ft wide.

Who owns CR 257 over Mill Creek?

It is owned by the County Highway Agency.