US Bridges

US 87 NB over Chadbourne St.

Good

Tom Green County, Texas · 0.80 MI S of FM 2105 · Structure no. 072260006907100

Built
1968
57 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
3 main spans
Daily traffic
7,031
2020 count
Owner
State
State Highway Agency

About this bridge

US 87 NB over Chadbourne St. is a prestressed concrete stringer/multi-beam or girder carrying US 87 NB over Chadbourne St. in Tom Green County, Texas. It was built in 1968, so it is 57 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 7,031 vehicles a day, roughly 14% of them trucks, projected to reach 9,070 by 2033. The structure is 200 ft (61 m) long and 42 ft wide.

CarriesUS 87 NB
CrossesChadbourne St.
Location0.80 MI S of FM 2105
RouteU.S. Route 87
StateTexas
Coordinates31.51628, -100.48064
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating24 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length200 ft (61 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,031 (2020)
Projected traffic9,070 by 2033
Trucks14%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 87 NB over Chadbourne St. built?

It was built in 1968, making it 57 years old in 2025.

What condition is US 87 NB over Chadbourne St. 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 July 2024.

How much traffic does US 87 NB over Chadbourne St. carry?

About 7,031 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is US 87 NB over Chadbourne St.?

The structure is 200 ft (61 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns US 87 NB over Chadbourne St.?

It is owned by the State Highway Agency.