US Bridges

CR 307 over Trib of Carrizo Bayou

Fair

Nacogdoches County, Texas · 0.7 MI N of SH 21 · Structure no. 111740AA0319001

Built
2005
20 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
50 ft
2 main spans
Daily traffic
55
2011 count
Owner
County
County Highway Agency

About this bridge

CR 307 over Trib of Carrizo Bayou is a steel continuous stringer/multi-beam or girder carrying CR 307 over Trib of Carrizo Bayou in Nacogdoches County, Texas. It was built in 2005, so it is 20 years old, younger 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 55 vehicles a day, projected to reach 110 by 2031. 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).

Location

Open in Google Maps
CarriesCR 307
CrossesTrib of Carrizo Bayou
Location0.7 MI N of SH 21
RouteCounty Highway 307
CountyNacogdoches County
StateTexas
Coordinates31.58825, -94.58384
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating43 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2011)
Projected traffic110 by 2031
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 307 over Trib of Carrizo Bayou built?

It was built in 2005, making it 20 years old in 2025.

What condition is CR 307 over Trib of Carrizo Bayou 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 April 2023.

How much traffic does CR 307 over Trib of Carrizo Bayou carry?

About 55 vehicles per day (2011 count).

How long is CR 307 over Trib of Carrizo Bayou?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns CR 307 over Trib of Carrizo Bayou?

It is owned by the County Highway Agency.