US Bridges

US 79 over BNSF RR

Fair

Milam County, Texas · 0.30 MI E of SH 36 · Structure no. 171660020407072

Built
1989
36 years old
Condition
Fair
inspected September 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
332 ft
3 main spans
Daily traffic
11,173
2023 count
Owner
State
State Highway Agency

About this bridge

US 79 over BNSF RR is a prestressed concrete box beam or girders - multiple carrying US 79 over BNSF RR in Milam County, Texas. It was built in 1989, so it is 36 years old, younger 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 11,173 vehicles a day, roughly 26% of them trucks, projected to reach 14,460 by 2033. The structure is 332 ft (101.2 m) long and 69 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesUS 79
CrossesBNSF RR
Location0.30 MI E of SH 36
RouteU.S. Route 79
CountyMilam County
StateTexas
Coordinates30.70888, -96.868
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length332 ft (101.2 m)
Longest span80 ft (24.4 m)
Deck width69 ft (21 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,173 (2023)
Projected traffic14,460 by 2033
Trucks26%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$55,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 79 over BNSF RR built?

It was built in 1989, making it 36 years old in 2025.

What condition is US 79 over 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 79 over BNSF RR carry?

About 11,173 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is US 79 over BNSF RR?

The structure is 332 ft (101.2 m) long with a longest span of 80 ft (24.4 m) and a deck 69 ft wide.

Who owns US 79 over BNSF RR?

It is owned by the State Highway Agency.