US Bridges

Bismark Rd. over Lyons Branch

Fair

George County, Mississippi · Sec 35 T 3S R 6W · Structure no. SA2000000000050

Built
2008
17 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
94 ft
3 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Bismark Rd. over Lyons Branch is a concrete channel beam carrying Bismark Rd. over Lyons Branch in George County, Mississippi. It was built in 2008, so it is 17 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, posting recommended but not legally implemented.

It carries about 30 vehicles a day, projected to reach 45 by 2043. The structure is 94 ft (28.5 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBismark Rd.
CrossesLyons Branch
LocationSec 35 T 3S R 6W
RouteCounty Highway 80
CountyGeorge County
StateMississippi
Coordinates30.735, -88.5575
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.1 US tons
Inventory rating23 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length94 ft (28.5 m)
Longest span31 ft (9.5 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$270,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bismark Rd. over Lyons Branch built?

It was built in 2008, making it 17 years old in 2025.

What condition is Bismark Rd. over Lyons Branch 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 December 2024.

How much traffic does Bismark Rd. over Lyons Branch carry?

About 30 vehicles per day (2023 count).

How long is Bismark Rd. over Lyons Branch?

The structure is 94 ft (28.5 m) long with a longest span of 31 ft (9.5 m) and a deck 27 ft wide.

Who owns Bismark Rd. over Lyons Branch?

It is owned by the County Highway Agency.