US Bridges

Bus 77 over Resaca De Los Fresnos

Fair

Cameron County, Texas · 0.20 MI NW of SH 345 · Structure no. 210310003912033

Built
1946
79 years old, rebuilt 1969
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
50 ft
2 main spans
Daily traffic
16,540
2013 count
Owner
State
State Highway Agency

About this bridge

Bus 77 over Resaca De Los Fresnos is a concrete continuous slab carrying Bus 77 over Resaca De Los Fresnos in Cameron County, Texas. It was built in 1946 and reconstructed in 1969, so it is 79 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 5 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 16,540 vehicles a day, roughly 1% of them trucks, projected to reach 23,160 by 2033. The structure is 50 ft (15.2 m) long and 101 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBus 77
CrossesResaca De Los Fresnos
Location0.20 MI NW of SH 345
RouteState Highway 77
StateTexas
Coordinates26.14052, -97.6294
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width101 ft (30.8 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,540 (2013)
Projected traffic23,160 by 2033
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bus 77 over Resaca De Los Fresnos built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1969.

What condition is Bus 77 over Resaca De Los Fresnos 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 March 2023.

How much traffic does Bus 77 over Resaca De Los Fresnos carry?

About 16,540 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Bus 77 over Resaca De Los Fresnos?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 101 ft wide.

Who owns Bus 77 over Resaca De Los Fresnos?

It is owned by the State Highway Agency.