US Bridges

CR 406 - Pct 4 over Middle Fk of Chambers Ck

Good

Johnson County, Texas · 2.8 MI N of FM 4 · Structure no. 021270AA0687002

Built
2000
25 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
160
2019 count
Owner
County
County Highway Agency

About this bridge

CR 406 - Pct 4 over Middle Fk of Chambers Ck is a steel stringer/multi-beam or girder carrying CR 406 - Pct 4 over Middle Fk of Chambers Ck in Johnson County, Texas. It was built in 2000, so it is 25 years old, younger 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 160 vehicles a day, projected to reach 230 by 2036. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCR 406 - Pct 4
CrossesMiddle Fk of Chambers Ck
Location2.8 MI N of FM 4
RouteCounty Highway 406
StateTexas
Coordinates32.32817, -97.2372
Functional classRural Major Collector

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2019)
Projected traffic230 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 406 - Pct 4 over Middle Fk of Chambers Ck built?

It was built in 2000, making it 25 years old in 2025.

What condition is CR 406 - Pct 4 over Middle Fk of Chambers Ck 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 November 2024.

How much traffic does CR 406 - Pct 4 over Middle Fk of Chambers Ck carry?

About 160 vehicles per day (2019 count).

How long is CR 406 - Pct 4 over Middle Fk of Chambers Ck?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns CR 406 - Pct 4 over Middle Fk of Chambers Ck?

It is owned by the County Highway Agency.