US Bridges

US 77 Bus NB over Orchard LN

Fair

McLennan County, Texas · 0.8 MI S of IH 35 · Structure no. 091610001410122

Built
1958
67 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
121 ft
3 main spans
Daily traffic
4,410
2013 count
Owner
State
State Highway Agency

About this bridge

US 77 Bus NB over Orchard LN is a steel continuous stringer/multi-beam or girder carrying US 77 Bus NB over Orchard LN in McLennan County, Texas. It was built in 1958, so it is 67 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 4,410 vehicles a day, roughly 13% of them trucks, projected to reach 6,170 by 2033. The structure is 121 ft (36.9 m) long and 42 ft wide.

CarriesUS 77 Bus NB
CrossesOrchard LN
Location0.8 MI S of IH 35
RouteState Highway 77
StateTexas
Coordinates31.56696, -97.10623
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 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 rating55 US tons
Inventory rating33 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span46 ft (14 m)
Deck width42 ft (12.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,410 (2013)
Projected traffic6,170 by 2033
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$800,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 77 Bus NB over Orchard LN built?

It was built in 1958, making it 67 years old in 2025.

What condition is US 77 Bus NB over Orchard LN 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 US 77 Bus NB over Orchard LN carry?

About 4,410 vehicles per day (2013 count), of which roughly 13% are trucks.

How long is US 77 Bus NB over Orchard LN?

The structure is 121 ft (36.9 m) long with a longest span of 46 ft (14 m) and a deck 42 ft wide.

Who owns US 77 Bus NB over Orchard LN?

It is owned by the State Highway Agency.