US Bridges

US 77 over US 79 & BNSF RR

Fair

Milam County, Texas · 1.5 MI E of FM 908 · Structure no. 171660021002070

Built
1962
63 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
378 ft
6 main spans
Daily traffic
3,359
2020 count
Owner
State
State Highway Agency

About this bridge

US 77 over US 79 & BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying US 77 over US 79 & BNSF RR in Milam 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 3,359 vehicles a day, roughly 20% of them trucks, projected to reach 7,310 by 2033. The structure is 378 ft (115.2 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 77
CrossesUS 79 & BNSF RR
Location1.5 MI E of FM 908
RouteU.S. Route 77
StateTexas
Coordinates30.664, -96.98016
Functional classUrban Minor 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.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6 (+2 approach)
Design loadH 20
Structure length378 ft (115.2 m)
Longest span54 ft (16.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,359 (2020)
Projected traffic7,310 by 2033
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 77 over US 79 & BNSF RR built?

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

What condition is US 77 over US 79 & BNSF RR 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 September 2022.

How much traffic does US 77 over US 79 & BNSF RR carry?

About 3,359 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is US 77 over US 79 & BNSF RR?

The structure is 378 ft (115.2 m) long with a longest span of 54 ft (16.5 m) and a deck 33 ft wide.

Who owns US 77 over US 79 & BNSF RR?

It is owned by the State Highway Agency.