US Bridges

Hamburg Crossing over Bayou Des Glaises

Good

Avoyelles Parish, Louisiana · 0.18 Miles East of LA 451 · Structure no. 080500000800045

Built
2015
10 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
240 ft
6 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Hamburg Crossing over Bayou Des Glaises is a prestressed concrete box beam or girders - multiple carrying Hamburg Crossing over Bayou Des Glaises in Avoyelles Parish, Louisiana. It was built in 2015, so it is 10 years old, younger than the Louisiana average of 43 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 100 vehicles a day, projected to reach 110 by 2040. The structure is 240 ft (73.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHamburg Crossing
CrossesBayou Des Glaises
Location0.18 Miles East of LA 451
RouteCounty Highway 0
Coordinates31.0308, -91.9299
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic110 by 2040
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamburg Crossing over Bayou Des Glaises built?

It was built in 2015, making it 10 years old in 2025.

What condition is Hamburg Crossing over Bayou Des Glaises 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 February 2023.

How much traffic does Hamburg Crossing over Bayou Des Glaises carry?

About 100 vehicles per day (2020 count).

How long is Hamburg Crossing over Bayou Des Glaises?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Hamburg Crossing over Bayou Des Glaises?

It is owned by the County Highway Agency.