US Bridges

Bu 59/77 NB over Guadalupe River

Fair

Victoria County, Texas · 1.10 MI S of US 87 · Structure no. 132350008806029

Built
1962
63 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
412 ft
3 main spans
Daily traffic
8,742
2024 count
Owner
State
State Highway Agency

About this bridge

Bu 59/77 NB over Guadalupe River is a steel continuous stringer/multi-beam or girder carrying Bu 59/77 NB over Guadalupe River in Victoria County, Texas. It was built in 1962, so it is 63 years old, older than the Texas average of 44.4 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 8,742 vehicles a day, roughly 13% of them trucks, projected to reach 18,390 by 2033. The structure is 412 ft (125.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBu 59/77 NB
CrossesGuadalupe River
Location1.10 MI S of US 87
RouteU.S. Route 77
StateTexas
Coordinates28.79304, -97.01296
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadH 20
Structure length412 ft (125.6 m)
Longest span150 ft (45.7 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,742 (2024)
Projected traffic18,390 by 2033
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$29,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bu 59/77 NB over Guadalupe River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Bu 59/77 NB over Guadalupe 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 January 2023.

How much traffic does Bu 59/77 NB over Guadalupe River carry?

About 8,742 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Bu 59/77 NB over Guadalupe River?

The structure is 412 ft (125.6 m) long with a longest span of 150 ft (45.7 m) and a deck 36 ft wide.

Who owns Bu 59/77 NB over Guadalupe River?

It is owned by the State Highway Agency.