US Bridges

RM 2139 over Sterling Creek

Good

Sterling County, Texas · 8.30 MI SW of SH 163 · Structure no. 072160346201003

Built
1984
41 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
63 ft
5 main spans
Daily traffic
107
2023 count
Owner
State
State Highway Agency

About this bridge

RM 2139 over Sterling Creek is a concrete culvert carrying RM 2139 over Sterling Creek in Sterling County, Texas. It was built in 1984, so it is 41 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 107 vehicles a day, roughly 59% of them trucks, projected to reach 119 by 2042. The structure is 63 ft (19.2 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesRM 2139
CrossesSterling Creek
Location8.30 MI SW of SH 163
RouteState Highway 2139
StateTexas
Coordinates31.68256, -101.14986
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span10 ft (3 m)
Deck width43 ft (13.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107 (2023)
Projected traffic119 by 2042
Trucks59%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 RM 2139 over Sterling Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is RM 2139 over Sterling Creek 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 May 2024.

How much traffic does RM 2139 over Sterling Creek carry?

About 107 vehicles per day (2023 count), of which roughly 59% are trucks.

How long is RM 2139 over Sterling Creek?

The structure is 63 ft (19.2 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns RM 2139 over Sterling Creek?

It is owned by the State Highway Agency.