US Bridges

CR 598 over Pecan Bayou Slough

Fair

Brown County, Texas · 0.15 MI SW of US 67 · Structure no. 230250AA0598001

Built
1959
66 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
4 main spans
Daily traffic
637
2022 count
Owner
County
County Highway Agency

About this bridge

CR 598 over Pecan Bayou Slough is a concrete stringer/multi-beam or girder carrying CR 598 over Pecan Bayou Slough in Brown County, Texas. It was built in 1959, so it is 66 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 637 vehicles a day, roughly 3% of them trucks, projected to reach 637 by 2042. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR 598
CrossesPecan Bayou Slough
Location0.15 MI SW of US 67
RouteCounty Highway 598
CountyBrown County
StateTexas
Coordinates31.73207, -98.96854
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic637 (2022)
Projected traffic637 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 598 over Pecan Bayou Slough built?

It was built in 1959, making it 66 years old in 2025.

What condition is CR 598 over Pecan Bayou Slough 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 December 2024.

How much traffic does CR 598 over Pecan Bayou Slough carry?

About 637 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 598 over Pecan Bayou Slough?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns CR 598 over Pecan Bayou Slough?

It is owned by the County Highway Agency.