US Bridges

US 87 NB over North Concho River

Fair

Tom Green County, Texas · 0.25 MI S of US 67 Bus · Structure no. 072260006907096

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
490 ft
11 main spans
Daily traffic
12,290
2020 count
Owner
State
State Highway Agency

About this bridge

US 87 NB over North Concho River is a concrete continuous slab carrying US 87 NB over North Concho River in Tom Green County, Texas. It was built in 1965, so it is 60 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 12,290 vehicles a day, roughly 10% of them trucks, projected to reach 43,100 by 2033. The structure is 490 ft (149.4 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 87 NB
CrossesNorth Concho River
Location0.25 MI S of US 67 Bus
RouteU.S. Route 87
StateTexas
Coordinates31.4567, -100.44055
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadH 20
Structure length490 ft (149.4 m)
Longest span50 ft (15.2 m)
Deck width66 ft (20.1 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,290 (2020)
Projected traffic43,100 by 2033
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$638,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 87 NB over North Concho River built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 87 NB over North Concho River 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 July 2024.

How much traffic does US 87 NB over North Concho River carry?

About 12,290 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is US 87 NB over North Concho River?

The structure is 490 ft (149.4 m) long with a longest span of 50 ft (15.2 m) and a deck 66 ft wide.

Who owns US 87 NB over North Concho River?

It is owned by the State Highway Agency.