US Bridges

FM 77 over Draw

Good

Gonzales County, Texas · 7.97 MI NE of US 87 · Structure no. 130900068701004

Built
1951
74 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
33 ft
5 main spans
Daily traffic
261
2017 count
Owner
State
State Highway Agency

About this bridge

FM 77 over Draw is a concrete culvert carrying FM 77 over Draw in Gonzales County, Texas. It was built in 1951, so it is 74 years old, older than the Texas average of 44.4 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 261 vehicles a day, roughly 10% of them trucks, projected to reach 660 by 2033. The structure is 33 ft (10.1 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 77
CrossesDraw
Location7.97 MI NE of US 87
RouteState Highway 77
StateTexas
Coordinates29.31884, -97.63312
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadOther
Structure length33 ft (10.1 m)
Longest span6 ft (1.8 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic261 (2017)
Projected traffic660 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 FM 77 over Draw built?

It was built in 1951, making it 74 years old in 2025.

What condition is FM 77 over Draw 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 FM 77 over Draw carry?

About 261 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is FM 77 over Draw?

The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.8 m) and a deck 27 ft wide.

Who owns FM 77 over Draw?

It is owned by the State Highway Agency.