US Bridges

Chadbourne ST over North Concho River

Fair

Tom Green County, Texas · 0.95 MI S of US 67 · Structure no. 072260B00835001

Built
1963
62 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
626 ft
11 main spans
Daily traffic
7,087
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chadbourne ST over North Concho River is a prestressed concrete stringer/multi-beam or girder carrying Chadbourne ST over North Concho River in Tom Green County, Texas. It was built in 1963, so it is 62 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 7,087 vehicles a day, roughly 8% of them trucks, projected to reach 10,000 by 2033. The structure is 626 ft (190.8 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChadbourne ST
CrossesNorth Concho River
Location0.95 MI S of US 67
RouteCity Street 0
StateTexas
Coordinates31.45794, -100.43475
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadH 20
Structure length626 ft (190.8 m)
Longest span58 ft (17.7 m)
Deck width66 ft (20.1 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,087 (2023)
Projected traffic10,000 by 2033
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$851,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Chadbourne ST over North Concho River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Chadbourne ST 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 June 2024.

How much traffic does Chadbourne ST over North Concho River carry?

About 7,087 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Chadbourne ST over North Concho River?

The structure is 626 ft (190.8 m) long with a longest span of 58 ft (17.7 m) and a deck 66 ft wide.

Who owns Chadbourne ST over North Concho River?

It is owned by the City or Municipal Highway Agency.