US Bridges

Lilly RD over Copiah Creek

Good

Copiah County, Mississippi · Sec 26 T 1N R 2W B · Structure no. SA1500000000017

Built
1979
46 years old
Condition
Good
inspected May 2023
Type
Channel Beam
Concrete
Length
114 ft
6 main spans
Daily traffic
290
2015 count
Owner
County
County Highway Agency

About this bridge

Lilly RD over Copiah Creek is a concrete channel beam carrying Lilly RD over Copiah Creek in Copiah County, Mississippi. It was built in 1979, so it is 46 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 8% of them trucks, projected to reach 575 by 2045. The structure is 114 ft (34.7 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLilly RD
CrossesCopiah Creek
LocationSec 26 T 1N R 2W B
RouteCounty Highway 153
Coordinates31.9, -90.37806
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2015)
Projected traffic575 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$342,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lilly RD over Copiah Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Lilly RD over Copiah 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 2023.

How much traffic does Lilly RD over Copiah Creek carry?

About 290 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Lilly RD over Copiah Creek?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Lilly RD over Copiah Creek?

It is owned by the County Highway Agency.