US Bridges

Third Union Road over Unnamed Local Branch

Good

Monroe County, Mississippi · Sec 30 T15S R 6E · Structure no. SA4800000000131

Built
1994
31 years old
Condition
Good
inspected January 2024
Type
Channel Beam
Concrete
Length
81 ft
3 main spans
Daily traffic
105
2024 count
Owner
County
County Highway Agency

About this bridge

Third Union Road over Unnamed Local Branch is a concrete channel beam carrying Third Union Road over Unnamed Local Branch in Monroe County, Mississippi. It was built in 1994, so it is 31 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 105 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2043. The structure is 81 ft (24.7 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesThird Union Road
CrossesUnnamed Local Branch
LocationSec 30 T15S R 6E
RouteCounty Highway 285
Coordinates33.745, -88.70222
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length81 ft (24.7 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2024)
Projected traffic150 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Third Union Road over Unnamed Local Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Third Union Road over Unnamed Local Branch 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 January 2024.

How much traffic does Third Union Road over Unnamed Local Branch carry?

About 105 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Third Union Road over Unnamed Local Branch?

The structure is 81 ft (24.7 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Third Union Road over Unnamed Local Branch?

It is owned by the County Highway Agency.