US Bridges

Old HWY 80 over Dog River

Fair

Scott County, Mississippi · Sec 14 T 6N R 8E B · Structure no. SA6200000000043

Built
1998
27 years old
Condition
Fair
inspected April 2023
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
1,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old HWY 80 over Dog River is a concrete channel beam carrying Old HWY 80 over Dog River in Scott County, Mississippi. It was built in 1998, so it is 27 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,500 vehicles a day, roughly 8% of them trucks, projected to reach 1,650 by 2044. The structure is 76 ft (23.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld HWY 80
CrossesDog River
LocationSec 14 T 6N R 8E B
RouteCity Street 5541
Coordinates32.36719, -89.44414
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable 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 spans4
Design loadH 15
Structure length76 ft (23.2 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 traffic1,500 (2022)
Projected traffic1,650 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$370,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 80 over Dog River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Old HWY 80 over Dog River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Old HWY 80 over Dog River carry?

About 1,500 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Old HWY 80 over Dog River?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Old HWY 80 over Dog River?

It is owned by the City or Municipal Highway Agency.