US Bridges

US 87 NB Ramp over US 87 and US 277

Fair

Tom Green County, Texas · At US 87 · Structure no. 072260007002065

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
552 ft
4 main spans
Daily traffic
1,499
2019 count
Owner
State
State Highway Agency

About this bridge

US 87 NB Ramp over US 87 and US 277 is a steel continuous stringer/multi-beam or girder carrying US 87 NB Ramp over US 87 and US 277 in Tom Green County, Texas. It was built in 1972, so it is 53 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 1,499 vehicles a day, roughly 5% of them trucks, projected to reach 2,380 by 2033. The structure is 552 ft (168.3 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesUS 87 NB Ramp
CrossesUS 87 and US 277
LocationAt US 87
RouteState Highway 306
CountyTom Green County
StateTexas
Coordinates31.40417, -100.43714
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHS 20
Structure length552 ft (168.3 m)
Longest span125 ft (38.1 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,499 (2019)
Projected traffic2,380 by 2033
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 87 NB Ramp over US 87 and US 277 built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 87 NB Ramp over US 87 and US 277 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 June 2024.

How much traffic does US 87 NB Ramp over US 87 and US 277 carry?

About 1,499 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is US 87 NB Ramp over US 87 and US 277?

The structure is 552 ft (168.3 m) long with a longest span of 125 ft (38.1 m) and a deck 32 ft wide.

Who owns US 87 NB Ramp over US 87 and US 277?

It is owned by the State Highway Agency.