US Bridges

Monticello Road over Bird Branch

Good

Lawrence County, Mississippi · Sec 28 T 9N R10E B · Structure no. SA3900000000092

Built
1976
49 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
3 main spans
Daily traffic
460
2024 count
Owner
County
County Highway Agency

About this bridge

Monticello Road over Bird Branch is a prestressed concrete stringer/multi-beam or girder carrying Monticello Road over Bird Branch in Lawrence County, Mississippi. It was built in 1976, so it is 49 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 460 vehicles a day, roughly 8% of them trucks, projected to reach 840 by 2046. The structure is 102 ft (31.1 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMonticello Road
CrossesBird Branch
LocationSec 28 T 9N R10E B
RouteCounty Highway 264
Coordinates31.71531, -90.20388
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating66.7 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length102 ft (31.1 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2024)
Projected traffic840 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Monticello Road over Bird Branch built?

It was built in 1976, making it 49 years old in 2025.

What condition is Monticello Road over Bird 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 September 2023.

How much traffic does Monticello Road over Bird Branch carry?

About 460 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Monticello Road over Bird Branch?

The structure is 102 ft (31.1 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Monticello Road over Bird Branch?

It is owned by the County Highway Agency.